US1661024A
Ring-rolling machine
Abstract
This record has no abstract on file.
Term
Term ended
Expired 28 February 1945, 81.6 years ago.
- Priority and filed
- Granted
- Expired
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US5605068A | Cited by | United States of America | Search report |
| DE3533680A1 | Cited by | Germany | Search report |
| US4672833A | Cited by | United States of America | Search report |
| US3230606A | Cited by | United States of America | Search report |
| US2610532A | Cited by | United States of America | Search report |
Numbers
- Application
- 742394
Titles
- English
- Ring-rolling machine
Classification
- CPC, 1
- B21H1/06
- IPC, 1
- B21H1 06