US3026849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated valve for release of fluid under pressure
Assignee: SPENAX Corp A CORP OF INDIANA
•
Filing: 1958-03-14
•
Granted: 1962-03-27
•
Expires: 1978-03-14
Abstract
No abstract record available.
Inventors
- 👤 Richard E Powers
- 👤 Charles W Weis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:34
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/04; B25C1/041; Y; Y10; Y10S; Y10S91/00; Y10S91/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US120958A
Cited
US624890A
Cited
US2291619A
Cited
US2677933A
Cited
US2683580A
Cited
US2687522A
Cited
GB769544A
Cited
US2821170A
Cited
US2854953A
Cited
US2944522A
Cited
US2872901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |