US2828845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed transmission
Assignee: Individual
•
Filing: 1954-01-28
•
Granted: 1958-04-01
•
Expires: 1974-01-28
Abstract
No abstract record available.
Inventors
- 👤 Garnett M Thornton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:48
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/02; F16H15/46; D; D06; D06F; D06F37/00; D06F37/30; D06F37/36; F16D; F16D11/00; F16D11/08; F16D11/12; D06F21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US93798A
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US1371187A
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US2063426A
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US2251588A
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US2374360A
Cited
US2427493A
Cited
US2474789A
Cited
US2538667A
Cited
US2568134A
Cited
US2728320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |