US3497349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air castable nickel alloy valve
Assignee: Motors Liquidation Co
•
Filing: 1966-09-19
•
Granted: 1970-02-24
•
Expires: 1986-09-19
Abstract
No abstract record available.
Inventors
- 👤 Robert E Eppich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:47
CPC Classifications
F; F01; F01L; F01L3/00; F01L3/02; C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/053
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2246078A
Cited
US2370395A
Cited
US2587275A
Cited
US3085005A
Cited
US3046108A
Cited
US2994605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |