US1544362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary tappet
Assignee: Individual
•
Filing: 1923-03-05
•
Granted: 1925-06-30
•
Expires: 1943-03-05
Abstract
No abstract record available.
Inventors
- 👤 Snow A Elwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:47
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/12; F01L1/14; F16; F16H; F16H53/00; F16H53/06; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2107
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1928-06-29 | 1928-12-29 | 1929-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-06-29 | 1932-12-29 | 1933-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-06-29 | 1936-12-29 | 1937-06-30 | $7700.00 | Window Closed / Lapsed |