US2651704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature responsive system
Assignee: General Electric Co
•
Filing: 1951-09-24
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Granted: 1953-09-08
•
Expires: 1971-09-24
Abstract
No abstract record available.
Inventors
- 👤 Roger A Prior
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:30
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/2451; G05D23/2453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1447517A
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US1715750A
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US2366501A
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US2375988A
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US2557224A
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US2495844A
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US2547750A
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US2509471A
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US2616018A
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US2616013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |