US3406920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for releasing the starting end of a coil-wound thread held fast by a reserve winding
Assignee: Individual
•
Filing: 1967-02-15
•
Granted: 1968-10-22
•
Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Kamp Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:53
CPC Classifications
B; B65; B65H; B65H67/00; B65H67/08; B65H67/086; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3136494A
Cited
US3059866A
Cited
US3086561A
Cited
US3108618A
Cited
US3236464A
Cited
US3355118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |