Patent US3572436A successfully refreshed from Google Patents.
Patent US1956631A successfully refreshed from Google Patents.
US1956631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unwinding device
Assignee: General Cable Corp
•
Filing: 1929-08-19
•
Granted: 1934-05-01
•
Expires: 1949-08-19
Abstract
No abstract record available.
Inventors
- 👤 Snyder Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:35
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/10; B65H59/16; B65H59/02; B65H59/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-04-30 | 1937-10-30 | 1938-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-04-30 | 1941-10-30 | 1942-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-04-30 | 1945-10-30 | 1946-05-01 | $7700.00 | Window Closed / Lapsed |