Patent US818397A successfully refreshed from Google Patents.
US818397A
Expired / Lapsed
US
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Carbureter.
Assignee: Individual
•
Filing: 1905-05-20
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Granted: 1906-04-17
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Expires: 1925-05-20
Abstract
No abstract record available.
Inventors
- 👤 Gustav Tresenreuter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:11
CPC Classifications
F; F02; F02M; F02M19/00; F02M19/03; F02M19/035; F24; F24F; F24F6/00; F24F2006/008
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) | 1909-04-16 | 1909-10-16 | 1910-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-04-16 | 1913-10-16 | 1914-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-04-16 | 1917-10-16 | 1918-04-17 | $7700.00 | Window Closed / Lapsed |