US3249117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gate valve
Assignee: Grove Valve and Regulator Co
•
Filing: 1962-06-07
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Granted: 1966-05-03
•
Expires: 1982-06-07
Abstract
No abstract record available.
Inventors
- 👤 Leo K Edwarde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:59
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/52; F16K31/523; F16K27/00; F16K27/04; F16K27/044; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6065; Y10T137/6072; Y10T137/6075; Y10T137/6089; Y10T137/6103
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
A VALVE STRUCTURE COMPRISING: A VALVE BODY HAVING OPPOSITE END WALLS, A GATE ADAPTED TO BE DISPOSED GENERALLY PARALLEL TO AND INTERMEDIATE SAID END WALLS, A SHSFT, A BEARING REMOVABLY SECURED IN ONE OF SAID END WALLS ROTATABLY RECEIVING SAID SHAFT, A CRANK CONNECTED TO SAID SHAFT, MEANS INCLUDING A GATE ACTUATING ARM COUPLING SAID CRANK TO SAID GATE, A GUIDE PIN REMOVABLY SECURED TO THE GATE ACTUATING ARMS AND EXTENDING THEREFROM TOWARD AN END WALL, AND AN ACCESS OPENING IN AN END WALL THROUGH WHICH SAID GUIDE PIN MAY BE CONNECTED AND DISCONNECTED FROM SAID ACTUATING ARM.
References Cited (Backward Citations)
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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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |