US2984727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control device
Assignee: General Electric Co
•
Filing: 1956-11-02
•
Granted: 1961-05-16
•
Expires: 1976-11-02
Abstract
No abstract record available.
Inventors
- 👤 Harold H P Lemmerman
- 👤 Weyman S Crocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:56
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0208; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1257
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1367122A
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US1874909A
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US1921433A
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US2524886A
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US2595814A
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US2726681A
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US2762895A
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US2827534A
Cited
US2789184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |