US1362080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion engine
Assignee: William Beardmore & Co Lt
•
Filing: 1917-06-18
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Granted: 1920-12-14
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Expires: 1937-06-18
Abstract
No abstract record available.
Inventors
- 👤 Chorlton Alan Ernest Leofric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:48
CPC Classifications
F; F02; F02B; F02B1/00; F02B2700/00; F02B2700/02; F02B2700/023
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) | 1923-12-14 | 1924-06-14 | 1924-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-12-14 | 1928-06-14 | 1928-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-12-14 | 1932-06-14 | 1932-12-14 | $7700.00 | Window Closed / Lapsed |