Patent US2498162A successfully refreshed from Google Patents.
US2498162A
Expired / Lapsed
US
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Conversion gas burners having forced primary air
Assignee: Individual
•
Filing: 1947-10-06
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Granted: 1950-02-21
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Expires: 1967-10-06
Abstract
No abstract record available.
Inventors
- 👤 Max A Heller
- 👤 Angelo J Conti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:29
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/34; F23D14/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2215983A
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US1330048A
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US1567830A
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US2037496A
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US1986311A
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US2040147A
Cited
US2077424A
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US2183836A
Cited
US2263170A
Cited
US2400030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |