Patent US3223981A successfully refreshed from Google Patents.
US895709A
Expired / Lapsed
US
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Carbureter for hydrocarbon-engines.
Assignee: Individual
•
Filing: 1904-01-19
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Granted: 1908-08-11
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Expires: 1924-01-19
Abstract
No abstract record available.
Inventors
- 👤 Edwin F Abernethy
- 👤 George H Abernethy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:51
CPC Classifications
F; F02; F02M; F02M7/00; F02M7/12; F02M7/133; Y; Y10; Y10S; Y10S261/00; Y10S261/49; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2572; Y10T137/8593; Y10T137/86493; Y10T137/86509
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) | 1911-08-11 | 1912-02-10 | 1912-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-08-11 | 1916-02-10 | 1916-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-08-11 | 1920-02-10 | 1920-08-11 | $7700.00 | Window Closed / Lapsed |