US2780108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain shortening device
Assignee: AMF Inc
•
Filing: 1953-07-10
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Granted: 1957-02-05
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Expires: 1973-07-10
Abstract
No abstract record available.
Inventors
- 👤 Leo R Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:51
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/08; B; B62; B62M; B62M9/00; B62M9/04; B62M9/06; B62M9/10; F16G; F16G13/00; F16G13/18; F16H2007/0889; F16H2007/0893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |