US2437490A
Ear defender
Abstract
This record has no abstract on file.
Term
Term ended
Expired 9 March 1965, 61.5 years ago.
- Priority and filed
- Granted
- Expired
- Today
4 sheets
Sheet 1 Sheet 2 Sheet 3 Sheet 4
Every citation, both ways
| Document | Relation | Office | Cited during |
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| US4122841A | Cited by | United States of America | Search report |
| US10772766B2 | Cited by | United States of America | Applicant |
| EP2181680A1 | Cited by | European Patent Office (EPO) | Search report |
| US2023048416A1 | Cited by | United States of America | Search report |
| US7740104B1 | Cited by | United States of America | Search report |
| US8249287B2 | Cited by | United States of America | Applicant |
| US2670738A | Cited by | United States of America | Search report |
| US8254621B2 | Cited by | United States of America | Applicant |
| US2010071707A1 | Cited by | United States of America | Pre-grant |
| US12102506B2 | Cited by | United States of America | Applicant |
| US8737669B2 | Cited by | United States of America | Applicant |
| US9237968B1 | Cited by | United States of America | Search report |
| US10278868B2 | Cited by | United States of America | Applicant |
| US12389151B2 | Cited by | United States of America | Applicant |
| USD969772S | Cited by | United States of America | Applicant |
| US6820717B2 | Cited by | United States of America | Search report |
| US2946394A | Cited by | United States of America | Search report |
| US12576000B2 | Cited by | United States of America | Applicant |
| US11166093B2 | Cited by | United States of America | Applicant |
| US12178966B2 | Cited by | United States of America | Applicant |
| US9730837B1 | Cited by | United States of America | Search report |
| US2014079273A1 | Cited by | United States of America | Pre-grant |
| US8989426B2 | Cited by | United States of America | Applicant |
| US3110356A | Cited by | United States of America | Search report |
| US2007125590A1 | Cited by | United States of America | Pre-grant |
| US5819745A | Cited by | United States of America | Search report |
| US10812887B2 | Cited by | United States of America | Applicant |
| US11290799B2 | Cited by | United States of America | Applicant |
| US4353364A | Cited by | United States of America | Search report |
| US7185655B1 | Cited by | United States of America | Applicant |
| WO2004064672A3 | Cited by | World Intellectual Property Organization (WIPO) | International search |
| US11330355B2 | Cited by | United States of America | Applicant |
| US12396892B2 | Cited by | United States of America | Applicant |
| US12419786B2 | Cited by | United States of America | Applicant |
| US11090194B2 | Cited by | United States of America | Applicant |
| US9039639B2 | Cited by | United States of America | Applicant |
| WO2004064672A2 | Cited by | World Intellectual Property Organization (WIPO) | International search |
| WO9102504A1 | Cited by | World Intellectual Property Organization (WIPO) | International search |
| US3047089A | Cited by | United States of America | Search report |
| US11246793B2 | Cited by | United States of America | Applicant |
| WO2017222684A1 | Cited by | World Intellectual Property Organization (WIPO) | International search |
| US8311253B2 | Cited by | United States of America | Applicant |
| US2025262095A1 | Cited by | United States of America | Search report |
| US3126977A | Cited by | United States of America | Search report |
| US2004163882A1 | Cited by | United States of America | Pre-grant |
| US5755234A | Cited by | United States of America | Search report |
| US10076464B2 | Cited by | United States of America | Applicant |
| US11859606B2 | Cited by | United States of America | Applicant |
| US9462366B2 | Cited by | United States of America | Applicant |
| US10602255B2 | Cited by | United States of America | Applicant |
| US3000462A | Cited by | United States of America | Search report |
| US11172280B2 | Cited by | United States of America | Applicant |
| US12053354B2 | Cited by | United States of America | Search report |
| US9186277B2 | Cited by | United States of America | Applicant |
| USD974038S | Cited by | United States of America | Applicant |
| US8929582B2 | Cited by | United States of America | Search report |
| EP0590698A2 | Cited by | European Patent Office (EPO) | Search report |
| US11096828B2 | Cited by | United States of America | Applicant |
| US5483027A | Cited by | United States of America | Search report |
| US10760566B2 | Cited by | United States of America | Applicant |
| EP0590698A3 | Cited by | European Patent Office (EPO) | Search report |
| US12016816B2 | Cited by | United States of America | Applicant |
| US5467784A | Cited by | United States of America | Search report |
| US2003159878A1 | Cited by | United States of America | Pre-grant |
| FR2560520A1 | Cited by | France | Search report |
| USD1002583S | Cited by | United States of America | Applicant |
| US2785675A | Cited by | United States of America | Search report |
| US10251790B2 | Cited by | United States of America | Applicant |
| US1016877A | Cites | United States of America | Search report |
| US2246737A | Cites | United States of America | Search report |
| US302738A | Cites | United States of America | Search report |
| NL6312C | Cites | Netherlands (Kingdom of the) | Search report |
| US931768A | Cites | United States of America | Search report |
2 priority claims, no other members on record
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 44858642 | United States of America | A | |
| US19420448586 | – | – | – |
Numbers
- Publication, DOCDB
- 2437490
- Publication, EPODOC
- US2437490
- Application
- 44858642
- Application, DOCDB
- 44858642
- Application, EPODOC
- US19420448586
Titles
- English
- Ear defender
Classification
- CPC, 1
- A61F11/08
- IPC, 1
- A61F11 08