US2316503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change speed transmission gearing
Assignee: Timken Co
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Filing: 1941-10-13
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Granted: 1943-04-13
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Expires: 1961-10-13
Abstract
No abstract record available.
Inventors
- 👤 George W Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:39
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/093; F16H3/097; F16H2200/00; F16H2200/003; F16H2200/0052; F16H2200/0082; F16H2200/0086; F16H2714/00; F16H2714/04; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19233; Y10T74/19242; Y10T74/19377; Y10T74/19386; Y10T74/194; Y10T74/20; Y10T74/20012; Y10T74/20018; 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) | 1946-04-12 | 1946-10-12 | 1947-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-12 | 1950-10-12 | 1951-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-12 | 1954-10-12 | 1955-04-13 | $7700.00 | Window Closed / Lapsed |