US2515929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure atomizing liquid fuel burning system
Assignee: Homestead Valve Manufacturing Co
•
Filing: 1947-07-02
•
Granted: 1950-07-18
•
Expires: 1967-07-02
Abstract
No abstract record available.
Inventors
- 👤 Frank W Ofeldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:41
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US207165A
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GB326388A
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US2020633A
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US2156296A
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US2362822A
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US2364489A
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US2396059A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |