Patent US4481616A successfully refreshed from Google Patents.
Patent US2808829A successfully refreshed from Google Patents.
Patent US3679464A successfully refreshed from Google Patents.
Patent US4717034A successfully refreshed from Google Patents.
Patent US3703972A successfully refreshed from Google Patents.
Patent US2485757A successfully refreshed from Google Patents.
US2485757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unwind reel control
Assignee: Individual
•
Filing: 1948-07-31
•
Granted: 1949-10-25
•
Expires: 1968-07-31
Abstract
No abstract record available.
Inventors
- 👤 Michel Mathias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:42
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/06; B65H23/063
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) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |