US3084704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank venting valve arrangement
Assignee: Individual
•
Filing: 1960-05-16
•
Granted: 1963-04-09
•
Expires: 1980-05-16
Abstract
No abstract record available.
Inventors
- 👤 Robert D Marx
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:07
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/22; B65D90/32; B65D90/34; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0874; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7914; Y10T137/8593; Y10T137/86292; Y10T137/86324; Y10T137/8634
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A VENT VALVE FOR TRUCK TANKS AND THE LIKE, SAID VALVE HAVING HIGH SENSITIVITY AND CAPACITY AND COMPRISING PORT DEFINING MEANS FOR THE PASSAGE OF VENTED FLUIDS, AN INERTIALLY BIASED PLATE, GUIDE MEANS POSITIONED RELATIVE TO SAID PLATE TO LIMIT THE MOTION THEREOF, SAID GUIDE MEANS AND SAID PLATE BEING ORIENTED RELATIVE TO THE PORT FORMED BY SAID DEFINING MEANS SUCH THAT SAID PLATE CLOSES OFF SAID PORT WHEN THE WEIGHT OF SAID PLATE EXCEEDS THE DIFFERENTIAL PRESSURE OPPOSING SAID WEIGHT, AUXILIARY GUIDE MEANS, AUXILIARY CLOSURE MEANS HAVING LIMITED MOTION DEFINED BY SAID AUXILIARY GUIDE MEANS, GRAVITY DIRECTION SENSING MEANS SUBSTANTIALLY ISOLATED FROM SAID PASSAGE OF SAID
Claim 2
Dependent Claim
107 words
A VENT VALVE FOR TRUCK TANKS AND THE LIKE, SAID VALVE HAVING HIGH SENSITIVITY AND CAPACITY AND COMPRISING PORT DEFINING MEANS FOR THE PASSAGE OF VENTED FLUIDS, AN INERTIALLY BIASED PLATE, GUIDE MEANS POSITIONED RELATIVE TO SAID PLATE TO LIMIT THE MOTION THEREOF, SAID GUIDE MEANS AND SAID PLATE BEING ORIENTED RELATIVE TO THE PORT FORMED BY SAID DEFINING MEANS SUCH THAT SAID PLATE CLOSES OFF SAID PORT WHEN THE WEIGHT OF SAID PLATE EXCEEDS THE DIFFERENTIAL PRESSURE OPPOSING SAID WEIGHT, AUXILIARY GUIDE MEANS, AUXILIARY CLOSURE MEANS HAVING LIMITED MOTION DEFINED BY SAID AUXILIARY GUIDE MEANS, GRAVITY DIRECTION SENSING MEANS SUBSTANTIALLY ISOLATED FROM SAID PASSAGE OF SAID
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) | 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 |