US2575230A
Electrically noiseless progressive contact means
Abstract
This record has no abstract on file.
Term
Term ended
Expired 13 November 1968, 57.9 years ago.
- Priority and filed
- Granted
- Expired
- Today
2 sheets
Sheet 1 Sheet 2
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| DE1177725B | Cited by | Germany | Search report |
| US3109341A | Cited by | United States of America | Search report |
| US3736396A | Cited by | United States of America | Search report |
| WO8705433A1 | Cited by | World Intellectual Property Organization (WIPO) | International search |
| US4333068A | Cited by | United States of America | Search report |
| US2997679A | Cited by | United States of America | Search report |
| US3838888A | Cited by | United States of America | Search report |
| US2862089A | Cited by | United States of America | Search report |
| US3769869A | Cited by | United States of America | Search report |
| US3681507A | Cited by | United States of America | Search report |
| US3657460A | Cited by | United States of America | Search report |
| US3657459A | Cited by | United States of America | Search report |
| US1577981A | Cites | United States of America | Search report |
| GB190121399A | Cites | United Kingdom | Search report |
| US2023382A | Cites | United States of America | Search report |
| US2081572A | Cites | United States of America | Search report |
| US2215124A | Cites | United States of America | Search report |
| US2254366A | Cites | United States of America | Search report |
| US2296125A | Cites | United States of America | Search report |
| US2297829A | Cites | United States of America | Search report |
| US2333477A | Cites | United States of America | Search report |
2 priority claims, no other members on record
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 3688648 | United States of America | A | |
| US19480036886 | – | – | – |
Numbers
- Publication, DOCDB
- 2575230
- Publication, EPODOC
- US2575230
- Application
- 36886
- Application, DOCDB
- 3688648
- Application, EPODOC
- US19480036886
Titles
- English
- Electrically noiseless progressive contact means
Classification
- CPC, 1
- H01C10/08
- IPC, 1
- H01C10 08