US3194533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needle valve
Assignee: Fischer and Porter Co
•
Filing: 1961-08-29
•
Granted: 1965-07-13
•
Expires: 1981-08-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Mclay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:25
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE557329A
Cited
BE557268A
Cited
FR558431A
Cited
US2655041A
Cited
US2725212A
Cited
US2926885A
Cited
US2876985A
Cited
US2833512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |