Patent US1102183A successfully refreshed from Google Patents.
US1102183A
Expired / Lapsed
US
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Gas-engine valve.
Assignee: AUGUSTIN ROTARY VALVE ENGINE Co
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Filing: 1913-08-02
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Granted: 1914-06-30
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Expires: 1933-08-02
Abstract
No abstract record available.
Inventors
- 👤 Edwin Augustin
- 👤 John M Mcdonnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:58
CPC Classifications
F; F01; F01L; F01L7/00; F01L7/02; F01L7/021; F01L7/022
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) | 1917-06-29 | 1917-12-29 | 1918-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-06-29 | 1921-12-29 | 1922-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-06-29 | 1925-12-29 | 1926-06-30 | $7700.00 | Window Closed / Lapsed |