Patent US2688360A successfully refreshed from Google Patents.
US2688360A
Expired / Lapsed
US
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Fuel combustion system, including gas assisted atomizer
Assignee: Thermo Projects Inc
•
Filing: 1951-04-13
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Granted: 1954-09-07
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Expires: 1971-04-13
Abstract
No abstract record available.
Inventors
- 👤 George P Haynes
- 👤 Letvin Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:21
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2126417A
Cited
US964031A
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US1073108A
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US1617609A
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US1513622A
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US1729763A
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US1753432A
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US1839512A
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US1943053A
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US1896910A
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US2175866A
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US2174663A
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US2242797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |