US1697560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sleeve-valve-actuating mechanism
Assignee: Continental Motors Corp
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Filing: 1927-03-14
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Granted: 1929-01-01
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Expires: 1947-03-14
Abstract
No abstract record available.
Inventors
- 👤 Walter A Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:49
CPC Classifications
F; F01; F01L; F01L5/00; F01L5/04; F01L5/06; F01L5/08; F01L5/10
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) | 1932-01-01 | 1932-07-02 | 1933-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-01-01 | 1936-07-02 | 1937-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-01-01 | 1940-07-02 | 1941-01-01 | $7700.00 | Window Closed / Lapsed |