US2586040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet gearing
Assignee: J Samuel White and Co Ltd
•
Filing: 1950-11-16
•
Granted: 1952-02-19
•
Expires: 1970-11-16
Abstract
No abstract record available.
Inventors
- 👤 Hoare Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:15
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/12; F16D41/16; F16H; F16H29/00; F16H29/02; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/1558; Y10T74/1577; Y10T74/1579; Y10T74/18; Y10T74/18416
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |