US2812638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary, hydraulic pump and motor transmission
Assignee: George Angus and Co Ltd
•
Filing: 1955-05-02
•
Granted: 1957-11-12
•
Expires: 1975-05-02
Abstract
No abstract record available.
Inventors
- 👤 Timms Jack Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:48
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/0404; F04B1/0452; F04B1/0465; F04B1/10; F04B1/107; F04B1/1071; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/08; F16H39/16; F16H39/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1044846A
Cited
US2679139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |