USH417H
Headset for ambient noise suppression
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 5 March 2007, 19.6 years ago.
- Priority and filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US4977600A | Cited by | United States of America | Search report |
| WO9727723A1 | Cited by | World Intellectual Property Organization (WIPO) | International search |
| EP0390386A3 | Cited by | European Patent Office (EPO) | Search report |
| EP0390386A2 | Cited by | European Patent Office (EPO) | Search report |
| US5949891A | Cited by | United States of America | Search report |
| US5987144A | Cited by | United States of America | Search report |
| WO02074008A3 | Cited by | World Intellectual Property Organization (WIPO) | International search |
| US5825671A | Cited by | United States of America | Search report |
| US6163267A | Cited by | United States of America | Search report |
| FR2744320A1 | Cited by | France | Search report |
| US2018012584A1 | Cited by | United States of America | Pre-grant |
| US6961591B2 | Cited by | United States of America | Applicant |
| WO02074008A2 | Cited by | World Intellectual Property Organization (WIPO) | International search |
| US6529606B1 | Cited by | United States of America | Search report |
| US2010105447A1 | Cited by | United States of America | Pre-grant |
| SG103837A1 | Cited by | Singapore | Search report |
| US9117437B2 | Cited by | United States of America | Search report |
| US10192537B2 | Cited by | United States of America | Search report |
| US2010142718A1 | Cited by | United States of America | Pre-grant |
| EP0461801A3 | Cited by | European Patent Office (EPO) | Search report |
| EP0461801A2 | Cited by | European Patent Office (EPO) | Search report |
| US2005175192A1 | Cited by | United States of America | Pre-grant |
2 priority claims, no other members on record
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 2192687 | United States of America | A | |
| US19870021926 | – | – | – |
2 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Information on status: patent grantGrantedSTCF | STCF | |
| AssignmentAS | AS |
Numbers
- Publication, DOCDB
- H417
- Publication, EPODOC
- USH417H
- Application
- 21926
- Application, DOCDB
- 2192687
- Application, EPODOC
- US19870021926
Titles
- English
- Headset for ambient noise suppression
Classification
- CPC, 11
- H04R3/005
- G10K11/17853
- G10K11/17857
- G10K11/17873
- G10K11/17885
- G10K2210/108
- G10K2210/1081
- G10K2210/1082
- G10K2210/3011
- G10K2210/3013
- G10K2210/3028
- IPC, 2
- G10K11 178
- H04R3 00