US2490881A
Expired / Lapsed
US
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Stroke-adjusting mechanism
Assignee: Individual
•
Filing: 1949-01-05
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Granted: 1949-12-13
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Expires: 1969-01-05
Abstract
No abstract record available.
Inventors
- 👤 William G Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:25
CPC Classifications
F; F16; F16H; F16H21/00; F16H21/10; F16H21/16; F16H21/18; F16H21/20; B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q2705/00; B23Q2705/10; B23Q2705/108; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/504756; Y10T409/506232; Y10T409/506396; Y10T409/506888; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18176
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |