US2429426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston seal
Assignee: Bendix Aviation Corp
•
Filing: 1942-09-14
•
Granted: 1947-10-21
•
Expires: 1962-09-14
Abstract
No abstract record available.
Inventors
- 👤 John P Phillips
- 👤 Jr Louis F Ridder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:44
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/005; F16J1/006
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US468730A
Cited
US1325996A
Cited
US1100799A
Cited
US1182258A
Cited
US1346722A
Cited
US1407667A
Cited
US1437262A
Cited
US1481160A
Cited
US1499677A
Cited
US1612038A
Cited
US1801391A
Cited
US1804088A
Cited
US1974362A
Cited
US1981782A
Cited
US2000349A
Cited
US2114908A
Cited
US2180795A
Cited
US2188854A
Cited
US2209032A
Cited
US2214261A
Cited
US2279238A
Cited
US2284340A
Cited
US2285679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-20 | 1951-04-21 | 1951-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-20 | 1955-04-21 | 1955-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-20 | 1959-04-21 | 1959-10-21 | $7700.00 | Window Closed / Lapsed |