US2174679A
Untitled record
Abstract
This record has no abstract on file.
Term
Term ended
Expired 3 October 1956, 70 years ago.
- Granted
- Expired
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US4632040A | Cited by | United States of America | Search report |
| US3807823A | Cited by | United States of America | Search report |
| US2680047A | Cited by | United States of America | Search report |
| US3212464A | Cited by | United States of America | Search report |
| US10064495B2 | Cited by | United States of America | Search report |
Numbers
- Application
- 2174679
Classification
- CPC, 2
- A47B3/12
- A47B2220/0086
- IPC, 1
- A47B3 12