US2520005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gearshift means
Assignee: Individual
•
Filing: 1948-05-07
•
Granted: 1950-08-22
•
Expires: 1968-05-07
Abstract
No abstract record available.
Inventors
- 👤 Hubert H Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:59
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/20; F16H3/22; F16H3/30; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US745632A
Cited
US980985A
Cited
GB159005A
Cited
US1469249A
Cited
FR27286E
Cited
US1566924A
Cited
US2098492A
Cited
US2169333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |