US2202271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission mechanism
Assignee: HYDRAULIC COUPLING PATENTS Ltd
•
Filing: 1938-08-06
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Granted: 1940-05-28
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Expires: 1958-08-06
Abstract
No abstract record available.
Inventors
- 👤 Sinclair Harold
- 👤 Clerk Robert Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:56
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/02; F16D23/10; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/091; F16H3/0915; F16H63/00; F16H63/02; F16H63/08; F16H63/16; F16H63/30; F16H63/3009; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/19274; Y10T74/19284; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19442; Y10T74/19447; Y10T74/1947; Y10T74/19474; Y10T74/19479; Y10T74/20; Y10T74/20012; Y10T74/20018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-05-28 | 1943-11-27 | 1944-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-28 | 1947-11-27 | 1948-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-28 | 1951-11-27 | 1952-05-28 | $7700.00 | Window Closed / Lapsed |