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Patent US800684A successfully refreshed from Google Patents.
US800684A
Expired / Lapsed
US
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Rotary hydrocarbon-engine.
Assignee: Individual
•
Filing: 1903-10-12
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Granted: 1905-10-03
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Expires: 1923-10-12
Abstract
No abstract record available.
Inventors
- 👤 William E Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:48
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/42
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) | 1908-10-02 | 1909-04-03 | 1909-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-10-02 | 1913-04-03 | 1913-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-10-02 | 1917-04-03 | 1917-10-03 | $7700.00 | Window Closed / Lapsed |