Patent US3123087A successfully refreshed from Google Patents.
US3123087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
D marx
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:20
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/18; F16K17/19; B; B65; B65D; B65D90/00; B65D90/22; B65D90/32; B65D90/34; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0874
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A SAFETY VALVE FOR TRUCK TANKS AND THE LIKE, SAID VALVE PROVIDING AUTOMATIC DIFFERENTIAL PRESSURE RELIEF AS WELL AS ROLL OVER AND FIRE PROTECTION, COMPRISING PORT MEANS, NON-FRANGIBLE AND DISTORTABLE PORT CLOSURE MEANS, SAID CLOSURE MEANS BEING NORMALLY SECURED IN CLOSING RELATIONSHIP WITH RESPECT TO SAID PORT MEANS AND DISTORTABLE IN THE PRESENCE OF EXCESSIVE DIFFERENTIAL PRESSURE TO THEREBY OPEN SAID PORT MEANS AND PROVIDE RELIEF, ANGLE RESPONSIVE CLOSURE MEANS INCLUDING MEANS RESPONSIVE TO THE ORIENTATION OF SAID VALVE RELATIVE TO THE GRAVITY VECTOR, SAID ANGLE RESPONSIVE CLOSURE MEANS BEING OPERABLE TO CLOSE SAID PORT MEANS WHEN SAID VALVE IS ANGULARLY DISPLACED FROM SAID GRAVITY VECTOR.
Claim 2
Dependent Claim
106 words
A SAFETY VALVE FOR TRUCK TANKS AND THE LIKE, SAID VALVE PROVIDING AUTOMATIC DIFFERENTIAL PRESSURE RELIEF AS WELL AS ROLL OVER AND FIRE PROTECTION, COMPRISING PORT MEANS, NON-FRANGIBLE AND DISTORTABLE PORT CLOSURE MEANS, SAID CLOSURE MEANS BEING NORMALLY SECURED IN CLOSING RELATIONSHIP WITH RESPECT TO SAID PORT MEANS AND DISTORTABLE IN THE PRESENCE OF EXCESSIVE DIFFERENTIAL PRESSURE TO THEREBY OPEN SAID PORT MEANS AND PROVIDE RELIEF, ANGLE RESPONSIVE CLOSURE MEANS INCLUDING MEANS RESPONSIVE TO THE ORIENTATION OF SAID VALVE RELATIVE TO THE GRAVITY VECTOR, SAID ANGLE RESPONSIVE CLOSURE MEANS BEING OPERABLE TO CLOSE SAID PORT MEANS WHEN SAID VALVE IS ANGULARLY DISPLACED FROM SAID GRAVITY VECTOR.
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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |