US2875820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition carry-over for gas burners
Assignee: Modine Manufacturing Co
•
Filing: 1952-10-04
•
Granted: 1959-03-03
•
Expires: 1972-10-04
Abstract
No abstract record available.
Inventors
- 👤 Clifford W Nesbitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:07
CPC Classifications
F; F23; F23Q; F23Q9/00; F23Q9/02; F23Q9/04; F23Q9/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1056757A
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US1732071A
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US2011090A
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US2402429A
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US2414891A
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US2574153A
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US2633190A
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US2483666A
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US2541710A
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US2670790A
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US2652107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |