US1100480A
Telephone equipment.
Abstract
This record has no abstract on file.
Term
Term ended
Expired 16 June 1931, 95.3 years ago.
- Priority and filed
- Granted
- Expired
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US4659907A | Cited by | United States of America | Search report |
| US6668042B2 | Cited by | United States of America | Search report |
| US2002097866A1 | Cited by | United States of America | Pre-grant |
| US2573617A | Cited by | United States of America | Search report |
| US4354063A | Cited by | United States of America | Search report |
Numbers
- Application
- 772063
Titles
- English
- TELEPHONE EQUIPMENT.
Classification
- CPC, 1
- H04M1/22