Patent US2749409A successfully refreshed from Google Patents.
US2749409A
Expired / Lapsed
US
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Overheat control device
Assignee: Individual
•
Filing: 1955-05-27
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Granted: 1956-06-05
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Expires: 1975-05-27
Abstract
No abstract record available.
Inventors
- 👤 Oscar J Kay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:00
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/20; F24H9/2007; F24H15/00; F24H15/10; F24H15/128; F24H15/30; F24H15/305; F24H15/31; F24H15/355; F24H15/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |