US1991694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change speed transmission mechanism
Assignee: Spicer Manufacturing Corp
•
Filing: 1933-08-14
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Granted: 1935-02-19
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Expires: 1953-08-14
Abstract
No abstract record available.
Inventors
- 👤 Carl D Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:38
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/20; F16H3/22; F16H3/24; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19167; Y10T74/19219; Y10T74/19293; Y10T74/19298; Y10T74/19307; Y10T74/19312; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20085; Y10T74/20098; Y10T74/2014
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) | 1938-02-18 | 1938-08-20 | 1939-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-02-18 | 1942-08-20 | 1943-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-02-18 | 1946-08-20 | 1947-02-19 | $7700.00 | Window Closed / Lapsed |