Patent US3039453A successfully refreshed from Google Patents.
US3039453A
Expired / Lapsed
US
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Heater
Assignee: Individual
•
Filing: 1959-07-01
•
Granted: 1962-06-19
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Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 Andrassy Stella
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:35
CPC Classifications
F; F24; F24S; F24S10/00; F24S10/70; F24S10/75; F24S10/755; F24S80/00; F24S80/50; F24S2080/501; F24S2080/502; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y10; Y10S; Y10S165/00; Y10S165/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2250325A
Cited
US2311579A
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US2553302A
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US2646971A
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US2608968A
Cited
US2869337A
Cited
US2753435A
Cited
US2872915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |