US1765592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single-lever eight-speed shift mechanism
Assignee: Cincinnati Bickford Tool Co
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Filing: 1924-09-29
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Granted: 1930-06-24
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Expires: 1944-09-29
Abstract
No abstract record available.
Inventors
- 👤 David C Klausmeyer
- 👤 Howard E Darby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:21
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/12; F; F16; F16H; F16H61/00; F16H61/02; F16H61/0293; F16H2708/00; F16H2708/10; F16H2708/12; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20085; Y10T74/20104
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) | 1933-06-23 | 1933-12-23 | 1934-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-23 | 1937-12-23 | 1938-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-23 | 1941-12-23 | 1942-06-24 | $7700.00 | Window Closed / Lapsed |