US3084904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swinging gate valves
Assignee: Individual
•
Filing: 1957-03-04
•
Granted: 1963-04-09
•
Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 John B Mcgay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:07
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/16; F16K1/18; F16K1/20; F16K1/2007; F16K1/2028; F16K1/2042; F16K1/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A GATE VALVE COMPRISING: A VALVE BODY WITH INLET AND OUTLET PORTS, AN INTERMEDIATE CAVITY AND A RING SEAT ADJACENT THE INNER END OF ONE OF SAID PORTS; A CHAMBER ON ONE SIDE OF, AND OPENING INTO, SAID CAVITY; GATE MEANS; SUPPORT MEANS PIVOTALLY MOUNTED ON SAID BODY AND PIVOTALLY SUPPORTING SAID GATE MEANS FOR BUTTERFLY GATE MOVE-
Claim 2
Dependent Claim
58 words
A GATE VALVE COMPRISING: A VALVE BODY WITH INLET AND OUTLET PORTS, AN INTERMEDIATE CAVITY AND A RING SEAT ADJACENT THE INNER END OF ONE OF SAID PORTS; A CHAMBER ON ONE SIDE OF, AND OPENING INTO, SAID CAVITY; GATE MEANS; SUPPORT MEANS PIVOTALLY MOUNTED ON SAID BODY AND PIVOTALLY SUPPORTING SAID GATE MEANS FOR BUTTERFLY GATE MOVE-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |