Patent US2669299A successfully refreshed from Google Patents.
US2669299A
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Fuel line and the like and means for heating the same
Assignee: Individual
•
Filing: 1950-04-13
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Granted: 1954-02-16
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Expires: 1970-04-13
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Roach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:58
CPC Classifications
F; F02; F02M; F02M31/00; F02M31/02; F02M31/12; F16; F16L; F16L53/00; F16L53/30; F16L53/35; F16L53/38; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE323906C
Cited
US1125549A
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US1905343A
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US2346506A
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US2377899A
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US2433374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |