Patent US2565022A successfully refreshed from Google Patents.
US2565022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjusting means for cam operated engine valves
Assignee: Individual
•
Filing: 1945-11-15
•
Granted: 1951-08-21
•
Expires: 1965-11-15
Abstract
No abstract record available.
Inventors
- 👤 Wilhelmus A Hattink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:14
CPC Classifications
F; F01; F01L; F01L13/00; F01L13/0015; F01L13/0063; F01B; F01B17/00; F01B17/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/1828
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |