US2655792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating apparatus for fuel tanks
Assignee: Individual
•
Filing: 1950-11-30
•
Granted: 1953-10-20
•
Expires: 1970-11-30
Abstract
No abstract record available.
Inventors
- 👤 Victor E Lagrange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:09
CPC Classifications
F; F02; F02M; F02M15/00; F02M15/02; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6881; Y10T137/6892
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1373477A
Cited
GB107871A
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US1337555A
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US1802669A
Cited
US1973142A
Cited
US2184908A
Cited
US2188072A
Cited
US2231525A
Cited
US2285907A
Cited
US2548051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |