US3429199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch construction and method
Assignee: Robertshaw Controls Co
•
Filing: 1966-02-04
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Granted: 1969-02-25
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Expires: 1986-02-04
Abstract
No abstract record available.
Inventors
- 👤 Fred V Kenyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:29
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/02; H01H19/10; G; G05; G05G; G05G1/00; G05G1/08; G05G1/10; H01H3/00; H01H3/02; H01H3/08; F; F16; F16B; F16B2200/00; F16B2200/63; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20762
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US949504A
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US1903457A
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US2197140A
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US2143401A
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US2799170A
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US2912527A
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US2908150A
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US3218425A
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US3226519A
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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) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |