Patent US2523619A successfully refreshed from Google Patents.
US2523619A
Expired / Lapsed
US
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Automatic transmission
Assignee: Individual
•
Filing: 1946-04-22
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Granted: 1950-09-26
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Expires: 1966-04-22
Abstract
No abstract record available.
Inventors
- 👤 Robert F Grebb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:54
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16D; F16D67/00; F16H2200/00; F16H2200/003; F16H2200/0034; F16H2200/20; F16H2200/2002; F16H2200/201
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) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |