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Patent US2672727A successfully refreshed from Google Patents.
US2672727A
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Fuel vaporizer system for combustion chambers
Assignee: Westinghouse Electric Corp
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Filing: 1951-05-31
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Granted: 1954-03-23
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Expires: 1971-05-31
Abstract
No abstract record available.
Inventors
- 👤 Charles R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:38
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/28; F23R3/30; F23R3/32; F02; F02K; F02K3/00; F02K3/08; F02K3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2404335A
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US2560401A
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US2522081A
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US2541108A
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US2536600A
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US2508420A
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US2583416A
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US2552851A
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US2548087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |