US3158174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety shut off for fluid loading
Assignee: Cities Service Oil Co
•
Filing: 1961-06-20
•
Granted: 1964-11-24
•
Expires: 1981-06-20
Abstract
No abstract record available.
Inventors
- 👤 Frederick I Stalnecker
- 👤 William O Suydam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:51
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/20; F16K17/22; F16K17/32; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/7726; Y10T137/7727; Y10T137/7758; Y10T137/7759; Y10T137/8593; Y10T137/86928; Y10T137/87917; Y10T137/87981
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE396502C
Cited
US2072314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |