Patent US2991341A successfully refreshed from Google Patents.
US2991341A
Expired / Lapsed
US
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Surface-sensing hermetically sealed thermostats
Assignee: Individual
•
Filing: 1957-07-29
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Granted: 1961-07-04
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Expires: 1977-07-29
Abstract
No abstract record available.
Inventors
- 👤 Ulanet Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:54
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2294482A
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US2433687A
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US2500760A
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US2664455A
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US2809253A
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US2773955A
Cited
US2723336A
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US2774846A
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US2767284A
Cited
US2824933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |