Patent US1816434A successfully refreshed from Google Patents.
US1816434A
Expired / Lapsed
US
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Apparatus for burning fuel
Assignee: Fuller Lehigh Co
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Filing: 1923-11-06
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Granted: 1931-07-28
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Expires: 1943-11-06
Abstract
No abstract record available.
Inventors
- 👤 Kaemmerling Gustav Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:04
CPC Classifications
F; F23; F23C; F23C5/00; F23C5/08; F23C5/32
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) | 1934-07-27 | 1935-01-26 | 1935-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-07-27 | 1939-01-26 | 1939-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-07-27 | 1943-01-26 | 1943-07-28 | $7700.00 | Window Closed / Lapsed |