Patent US2426732A successfully refreshed from Google Patents.
US2426732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston
Assignee: Individual
•
Filing: 1945-05-28
•
Granted: 1947-09-02
•
Expires: 1965-05-28
Abstract
No abstract record available.
Inventors
- 👤 Gates Edward Mont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:03
CPC Classifications
F; F02; F02F; F02F3/00; F02F3/02; F02F3/04; F02F3/08; F05; F05C; F05C2201/00; F05C2201/02; F05C2201/021; F05C2201/04; F05C2201/0433; F05C2201/0448
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1532121A
Cited
US2086677A
Cited
US2221535A
Cited
US2262132A
Cited
US2373493A
Cited
US2373518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-01 | 1951-03-03 | 1951-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-01 | 1955-03-03 | 1955-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-01 | 1959-03-03 | 1959-09-02 | $7700.00 | Window Closed / Lapsed |