US2564393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential transmission
Assignee: Individual
•
Filing: 1945-04-16
•
Granted: 1951-08-14
•
Expires: 1965-04-16
Abstract
No abstract record available.
Inventors
- 👤 John F Clancy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:21
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/72; F16H61/00; F16H61/02; F16H61/0202; F16H61/0204; F16H61/0206; F16H61/0211
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1623606A
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US1191290A
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US1442908A
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US1837803A
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US1706276A
Cited
US1723231A
Cited
US2045197A
Cited
US1782001A
Cited
US2000465A
Cited
US1984830A
Cited
US1992210A
Cited
US2019424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |