US3286735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unloading valve
Assignee: Vapor Corp
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Filing: 1964-02-10
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Granted: 1966-11-22
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Expires: 1984-02-10
Abstract
No abstract record available.
Inventors
- 👤 John J Yindrock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:34
CPC Classifications
B; B61; B61D; B61D5/00; B61D5/008; F; F16; F16K; F16K11/00; F16K11/02; F16K11/08; F16K11/087; F16K11/0873; F16K11/0876; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A TANK CAR UNLOADING VALVE COMPRISING, AN UPSTANDING SUBSTANTIALLY CYLINDRICAL BODY HAVING A PAIR OF DIAMETRICALLY OPPOSED AND AXIALLY ALIGNED INLETS IN THE SIDE WALL ADAPTED TO BE IN COMMUNICATION WITH THE CONTENTS OF A TANK CAR AND AN OUTLET IN THE BOTTOM WALL IN COMMUNICATION WITH THE EXTERIOR OF THE TANK CAR, SAID OUTLET AXIS EXTENDING PERPENDICULAR TO THE AXIS OF THE INLETS, A COVER SECURED ON THE BODY HAVING A BORE THERETHROUGH, A BALL VALVE MEMBER ROTATABLY MOUNTED IN SAID BODY AND HAVING A PAIR OF DIAMETRICALLY OPPOSED INLET OPENINGS IN THE SIDE WASLL ALIGNING WITH THE BODY INLETS WHEN THE VALVE IS IN OPEN POSITION AND AN OUTLET OPENING IN THE BOTTOM THAT IS CONSTANTLY IN COMMUNICATION WITH THE BODY OUTLET, A BALL STEM EXTENDING THROUGH SAID COVER BORE TO THE OUTSIDE OF THE VALVE AND BEING COUPLED TO THE BALL VALVE MEMBER FOR DRIVING SAME BETWEEN OPEN AND CLOSED POSITIONS, AND AN EMERGENCY WRENCH-RECEIVING SOCKET ON SAID BALL VALVE MEMBER ACCESSIBLE THROUGH THE OUTLET OPENING AND BODY OUTLET.
Claim 2
Dependent Claim
172 words
A TANK CAR UNLOADING VALVE COMPRISING, AN UPSTANDING SUBSTANTIALLY CYLINDRICAL BODY HAVING A PAIR OF DIAMETRICALLY OPPOSED AND AXIALLY ALIGNED INLETS IN THE SIDE WALL ADAPTED TO BE IN COMMUNICATION WITH THE CONTENTS OF A TANK CAR AND AN OUTLET IN THE BOTTOM WALL IN COMMUNICATION WITH THE EXTERIOR OF THE TANK CAR, SAID OUTLET AXIS EXTENDING PERPENDICULAR TO THE AXIS OF THE INLETS, A COVER SECURED ON THE BODY HAVING A BORE THERETHROUGH, A BALL VALVE MEMBER ROTATABLY MOUNTED IN SAID BODY AND HAVING A PAIR OF DIAMETRICALLY OPPOSED INLET OPENINGS IN THE SIDE WASLL ALIGNING WITH THE BODY INLETS WHEN THE VALVE IS IN OPEN POSITION AND AN OUTLET OPENING IN THE BOTTOM THAT IS CONSTANTLY IN COMMUNICATION WITH THE BODY OUTLET, A BALL STEM EXTENDING THROUGH SAID COVER BORE TO THE OUTSIDE OF THE VALVE AND BEING COUPLED TO THE BALL VALVE MEMBER FOR DRIVING SAME BETWEEN OPEN AND CLOSED POSITIONS, AND AN EMERGENCY WRENCH-RECEIVING SOCKET ON SAID BALL VALVE MEMBER ACCESSIBLE THROUGH THE OUTLET OPENING AND BODY OUTLET.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |