US1346535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder for internal-combustion engines
Assignee: COSMOS ENGINEERING Co Ltd
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Filing: 1919-07-03
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Granted: 1920-07-13
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Expires: 1939-07-03
Abstract
No abstract record available.
Inventors
- 👤 Fedden Alfred Hubert Roy
- 👤 Butler Leonard Frederic George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:02
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/02; F02F1/04; Y; Y10; Y10S; Y10S29/00; Y10S29/035; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T29/49995; Y10T29/49996
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) | 1923-07-13 | 1924-01-12 | 1924-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-07-13 | 1928-01-12 | 1928-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-07-13 | 1932-01-12 | 1932-07-13 | $7700.00 | Window Closed / Lapsed |