US2806122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature responsive device
Assignee: Westinghouse Electric Corp
•
Filing: 1954-02-03
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Granted: 1957-09-10
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Expires: 1974-02-03
Abstract
No abstract record available.
Inventors
- 👤 Hans T Thunander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:18
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/1906; G05D23/1913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US947914A
Cited
US2500061A
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US2534097A
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US2602132A
Cited
US2699487A
Cited
US2727975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |