US1384969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve-lifter
Assignee: Individual
•
Filing: 1919-12-01
•
Granted: 1921-07-19
•
Expires: 1939-12-01
Abstract
No abstract record available.
Inventors
- 👤 Otsuka Teruyoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:52
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/24; B25B27/26; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53552; Y10T29/53561; Y10T29/5357; Y10T29/53574
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) | 1924-07-18 | 1925-01-17 | 1925-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-07-18 | 1929-01-17 | 1929-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-07-18 | 1933-01-17 | 1933-07-19 | $7700.00 | Window Closed / Lapsed |