US2616537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid transmission
Assignee: Individual
•
Filing: 1949-03-14
•
Granted: 1952-11-04
•
Expires: 1969-03-14
Abstract
No abstract record available.
Inventors
- 👤 Worthin F Grattan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:18
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/14; F16H61/141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1960705A
Cited
US1934936A
Cited
US2186025A
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US2034757A
Cited
US2055300A
Cited
US2313645A
Cited
US2440155A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |