US2651949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic transmission
Assignee: FREDA ARTHUR BARNES
•
Filing: 1946-07-24
•
Granted: 1953-09-15
•
Expires: 1966-07-24
Abstract
No abstract record available.
Inventors
- 👤 William B Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:29
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H2718/00; F16H2718/08; F16H2718/10; F16H2718/14
Claims Analysis
Total Claims: 0
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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) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |