Patent US1651852A successfully refreshed from Google Patents.
US1651852A
Expired / Lapsed
US
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Variable-speed repeating mechanism
Assignee: Individual
•
Filing: 1920-03-29
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Granted: 1927-12-06
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Expires: 1940-03-29
Abstract
No abstract record available.
Inventors
- 👤 Albert D Trenor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:38
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/121; G05D3/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-12-05 | 1931-06-06 | 1931-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-12-05 | 1935-06-06 | 1935-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-12-05 | 1939-06-06 | 1939-12-06 | $7700.00 | Window Closed / Lapsed |