US1297138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-fuel burner.
Assignee: GOWAN DUSENBERY
•
Filing: 1917-06-06
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Granted: 1919-03-11
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Expires: 1937-06-06
Abstract
No abstract record available.
Inventors
- 👤 Lee Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:48
CPC Classifications
F; F23; F23D; F23D5/00; A; A01; A01G; A01G13/00; A01G13/06
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) | 1922-03-10 | 1922-09-09 | 1923-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-03-10 | 1926-09-09 | 1927-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-03-10 | 1930-09-09 | 1931-03-11 | $7700.00 | Window Closed / Lapsed |