US2513682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel burner
Assignee: Individual
•
Filing: 1947-08-19
•
Granted: 1950-07-04
•
Expires: 1967-08-19
Abstract
No abstract record available.
Inventors
- 👤 Julio Seneca Y Laborde
- 👤 Alfredo Sainz Y Barcenas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:38
CPC Classifications
F; F23; F23D; F23D3/00; F23D2900/00; F23D2900/31016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US523641A
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US1434835A
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US1447295A
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US1590349A
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US1573654A
Cited
US1901979A
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US2079025A
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US2067666A
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DE649621C
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US2416383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |