US2540222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable periodic cam operator for switches
Assignee: Honeywell Inc
•
Filing: 1946-05-17
•
Granted: 1951-02-06
•
Expires: 1966-05-17
Abstract
No abstract record available.
Inventors
- 👤 Donald G Tilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:22
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/125; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19874; Y10T74/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2026648A
Cited
US2089660A
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US2166137A
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US2359059A
Cited
US2335632A
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US2323415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |