US2661634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change speed transmission for vehicles
Assignee: International Motors LLC
•
Filing: 1948-06-10
•
Granted: 1953-12-08
•
Expires: 1968-06-10
Abstract
No abstract record available.
Inventors
- 👤 William O Bechman
- 👤 Nicholas J Palkovic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:50
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/02; B60K17/28; Y; Y10; Y10S; Y10S74/00; Y10S74/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR542627A
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US2102002A
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US2306545A
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GB522260A
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US2355869A
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US2311265A
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US2334958A
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US2445716A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |