US2612419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston sealing assembly
Assignee: Individual
•
Filing: 1949-03-12
•
Granted: 1952-09-30
•
Expires: 1969-03-12
Abstract
No abstract record available.
Inventors
- 👤 Noel S Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:38
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR324518A
Cited
US1845939A
Cited
US1945524A
Cited
US1964745A
Cited
US2034538A
Cited
US1970398A
Cited
US2170574A
Cited
US2313486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |