US2939645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winding apparatus
Assignee: Molins Machine Co Ltd
•
Filing: 1955-04-20
•
Granted: 1960-06-07
•
Expires: 1975-04-20
Abstract
No abstract record available.
Inventors
- 👤 Rowlands Tom
- 👤 Luddington Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:53
CPC Classifications
B; B65; B65H; B65H18/00; B65H18/08; B65H18/14; B65H18/22; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/414; B65H2301/4148; Y; Y10; Y10S; Y10S242/00; Y10S242/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1681046A
Cited
US1662577A
Cited
DE495917C
Cited
US2157900A
Cited
BE499049A
Cited
GB715469A
Cited
US2619298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |