US3361381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winding core
Assignee: Individual
•
Filing: 1966-11-22
•
Granted: 1968-01-02
•
Expires: 1986-11-22
Abstract
No abstract record available.
Inventors
- 👤 Livingstone Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:36
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/32; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB335866A
Cited
US2163618A
Cited
US2571305A
Cited
GB668284A
Cited
US2614759A
Cited
GB694832A
Cited
US2793822A
Cited
US3259334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |