US2736371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner control system
Assignee: Milwaukee Gas Specialty Co
•
Filing: 1951-03-20
•
Granted: 1956-02-28
•
Expires: 1971-03-20
Abstract
No abstract record available.
Inventors
- 👤 Roy F Rafenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:54
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/10; F23N5/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2062605A
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US2295455A
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US2183855A
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US2291385A
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US2470996A
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US2384696A
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US2566372A
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US2518804A
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US2479797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |