US2630166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hearth type oil burner with flame rim ignition means
Assignee: Individual
•
Filing: 1947-12-24
•
Granted: 1953-03-03
•
Expires: 1967-12-24
Abstract
No abstract record available.
Inventors
- 👤 Laird C Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:05
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/04; F23D11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2027699A
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US2113870A
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US2161436A
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US2161222A
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US2403860A
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US2412655A
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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) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |