Patent US4737343A successfully refreshed from Google Patents.
Patent US2258068A successfully refreshed from Google Patents.
US2258068A
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Control mechanism for change speed gearing
Assignee: WILLIAM M LIDDON
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Filing: 1939-04-06
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Granted: 1941-10-07
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Expires: 1959-04-06
Abstract
No abstract record available.
Inventors
- 👤 Glenn T Randol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:08
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H61/0274; F16H2708/00; F16H2708/24; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18152; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19247; Y10T74/19293; Y10T74/19298; Y10T74/19326; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/2014; Y10T74/20146
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) | 1944-10-06 | 1945-04-07 | 1945-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-10-06 | 1949-04-07 | 1949-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-10-06 | 1953-04-07 | 1953-10-07 | $7700.00 | Window Closed / Lapsed |