US2883122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant tension unwinding control
Assignee: Individual
•
Filing: 1952-12-19
•
Granted: 1959-04-21
•
Expires: 1972-12-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard Le Baron Bowen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:15
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/003; B65; B65H; B65H18/00; B65H18/08; B65H18/10; B65H18/103; B65H23/00; B65H23/04; B65H23/18; B65H23/182; B65H23/1825; B65H23/195; B65H23/1955
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1706109A
Cited
US2168071A
Cited
US2346903A
Cited
US2358112A
Cited
US2392226A
Cited
US2496977A
Cited
US2599795A
Cited
US2584454A
Cited
US2608741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |