US1138919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-cycle engine.
Assignee: CARBON-OXYGEN GAS ENGINE Co
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Filing: 1912-05-25
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Granted: 1915-05-11
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Expires: 1932-05-25
Abstract
No abstract record available.
Inventors
- 👤 Frank W Willey
- 👤 William Galletly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:39
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/04; F02B75/041; F02B75/042
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) | 1918-05-10 | 1918-11-09 | 1919-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-05-10 | 1922-11-09 | 1923-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-05-10 | 1926-11-09 | 1927-05-11 | $7700.00 | Window Closed / Lapsed |