Patent US1333785A successfully refreshed from Google Patents.
US1333785A
Expired / Lapsed
US
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Automatically-actuated oil-burner
Assignee: Individual
•
Filing: 1918-09-07
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Granted: 1920-03-16
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Expires: 1938-09-07
Abstract
No abstract record available.
Inventors
- 👤 Howard L Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:09
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/24; F23N5/247; F23N2239/00; F23N2239/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1923-03-16 | 1923-09-15 | 1924-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-03-16 | 1927-09-15 | 1928-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-03-16 | 1931-09-15 | 1932-03-16 | $7700.00 | Window Closed / Lapsed |