Patent US2465361A successfully refreshed from Google Patents.
US2465361A
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US
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Unitary heating apparatus for insertion in range compartments
Assignee: Heatbath Corp
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Filing: 1945-10-23
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Granted: 1949-03-29
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Expires: 1965-10-23
Abstract
No abstract record available.
Inventors
- 👤 Homer D Dufault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:52
CPC Classifications
F; F24; F24C; F24C13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2163552A
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US681245A
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US1459762A
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US1621141A
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US1989372A
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US2088444A
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US2159156A
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US2314249A
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US2369972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |