US1351944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel-burner
Assignee: DOBLEDETROIT STEAM MOTORS Co
•
Filing: 1917-01-27
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Granted: 1920-09-07
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Expires: 1937-01-27
Abstract
No abstract record available.
Inventors
- 👤 Doble Abner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:50
CPC Classifications
F; F23; F23D; F23D99/00; F23D99/002; F23D99/004; F23D2206/00; F23D2206/001
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) | 1923-09-07 | 1924-03-08 | 1924-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-09-07 | 1928-03-08 | 1928-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-09-07 | 1932-03-08 | 1932-09-07 | $7700.00 | Window Closed / Lapsed |