US2738230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel burners
Assignee: Individual
•
Filing: 1951-06-14
•
Granted: 1956-03-13
•
Expires: 1971-06-14
Abstract
No abstract record available.
Inventors
- 👤 Pillard Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:32
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1033068A
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US1575671A
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US2072375A
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US2047570A
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US2042034A
Cited
US2049700A
Cited
GB528018A
Cited
FR904557A
Cited
US2578422A
Cited
US2575824A
Cited
US2595759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |