US1916892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear shifting mechanism for auxiliary gear sets of change speed transmission gearing
Assignee: Spicer Manufacturing Corp
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Filing: 1932-03-12
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Granted: 1933-07-04
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Expires: 1952-03-12
Abstract
No abstract record available.
Inventors
- 👤 Carl D Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:21
CPC Classifications
G; G05; G05G; G05G13/00; G05G2700/00; G05G2700/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19167; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20085; Y10T74/20098; Y10T74/2014; Y10T74/20159; Y10T74/20165; Y10T74/20171
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) | 1936-07-03 | 1937-01-02 | 1937-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-03 | 1941-01-02 | 1941-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-03 | 1945-01-02 | 1945-07-04 | $7700.00 | Window Closed / Lapsed |