US2777509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid fuel burner for free standing and plate mounting installations
Assignee: Individual
•
Filing: 1950-03-28
•
Granted: 1957-01-15
•
Expires: 1970-03-28
Abstract
No abstract record available.
Inventors
- 👤 Reginald W Beckett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:04
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2035012A
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US2264226A
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US2360924A
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US2456930A
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US2506336A
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US2599153A
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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) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |