Patent US2443075A successfully refreshed from Google Patents.
US2443075A
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Variable-speed transmission
Assignee: Individual
•
Filing: 1946-02-18
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Granted: 1948-06-08
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Expires: 1966-02-18
Abstract
No abstract record available.
Inventors
- 👤 Robert R Locke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:26
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/04; F16H57/0412; F16H57/0415; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H37/0846; F16H57/048; F16H57/0498; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2186; Y10T74/2189
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |