US3051464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-heating gas burner
Assignee: Maxon Premix Burner Co Inc
•
Filing: 1958-10-20
•
Granted: 1962-08-28
•
Expires: 1978-10-20
Abstract
No abstract record available.
Inventors
- 👤 Robert H Yeo
- 👤 Donald E Waid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:39
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/34; F23D2900/00; F23D2900/21; F23D2900/21003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA489210A
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GB219678A
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US1536631A
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GB364063A
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US2018582A
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US2333531A
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US2595999A
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US2588728A
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US2606014A
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US2649907A
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US2759721A
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US2853284A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |