Patent US4154897A successfully refreshed from Google Patents.
US2452247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston rod connecting device
Assignee: Individual
•
Filing: 1946-01-24
•
Granted: 1948-10-26
•
Expires: 1966-01-24
Abstract
No abstract record available.
Inventors
- 👤 Everett P Larsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:44
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/10; F16J1/14; F16J1/22; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32647; Y10T403/32655
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US769248A
Cited
US878783A
Cited
US1425567A
Cited
US1401075A
Cited
US1597706A
Cited
US1608784A
Cited
US1866057A
Cited
US1788566A
Cited
FR689218A
Cited
US1996826A
Cited
GB442006A
Cited
US2178484A
Cited
US2304891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |