Patent US2646110A successfully refreshed from Google Patents.
US2646110A
Expired / Lapsed
US
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Pot-type oil burner
Assignee: Individual
•
Filing: 1947-10-09
•
Granted: 1953-07-21
•
Expires: 1967-10-09
Abstract
No abstract record available.
Inventors
- 👤 William O Horne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:32
CPC Classifications
F; F23; F23D; F23D5/00; F23D5/02; F23D5/04
Claims Analysis
Total Claims: 0
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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) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |