US2963083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner structure
Assignee: Modine Manufacturing Co
•
Filing: 1956-03-23
•
Granted: 1960-12-06
•
Expires: 1976-03-23
Abstract
No abstract record available.
Inventors
- 👤 Spieth Benjamin
- 👤 Clifford W Nesbitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:45
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/06; F24H3/10; F24H3/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1972549A
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US2068143A
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US2194733A
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US2247849A
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US2289759A
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US2389270A
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US2560777A
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US2487776A
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US2521866A
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US2506120A
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US2577772A
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US2541710A
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US2655991A
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US2613920A
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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) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |