Patent US2686015A successfully refreshed from Google Patents.
US2686015A
Expired / Lapsed
US
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Apparatus for continuous windup
Assignee: Individual
•
Filing: 1948-08-04
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Granted: 1954-08-10
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Expires: 1968-08-04
Abstract
No abstract record available.
Inventors
- 👤 Horace D Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:02
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/2207; B65H19/2215; B65H2408/00; B65H2408/20; B65H2408/23; B65H2408/231; B65H2408/2315; B65H2408/23152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1972676A
Cited
US2006499A
Cited
US2095123A
Cited
US2332371A
Cited
US2357976A
Cited
US2361264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |