US2810798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coin-actuated cam type switch
Assignee: SERVICE DISTRIBUTORS Inc
•
Filing: 1955-12-12
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Granted: 1957-10-22
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Expires: 1975-12-12
Abstract
No abstract record available.
Inventors
- 👤 Christopher G Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:35
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/60; H01H19/62; G; G07; G07F; G07F5/00; G07F5/10; Y; Y10; Y10S; Y10S200/00; Y10S200/03; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/1896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2067248A
Cited
US2386009A
Cited
US2447894A
Cited
US2637431A
Cited
US2552675A
Cited
US2788416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |