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Patent US2811599A successfully refreshed from Google Patents.
US2811599A
Expired / Lapsed
US
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Liquid pressure operated electrical switch
Assignee: STATHAM LAB Inc
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Filing: 1953-10-15
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Granted: 1957-10-29
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Expires: 1973-10-15
Abstract
No abstract record available.
Inventors
- 👤 Louis D Statham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:10
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/28; H01H35/34; H01H35/346
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2389720A
Cited
US2450961A
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US2671833A
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US2656428A
Cited
US2648732A
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US2701827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |