Patent US3072294A successfully refreshed from Google Patents.
US3072294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety cut-off for automatic dispensing valves
Assignee: Dover Corp
•
Filing: 1961-01-27
•
Granted: 1963-01-08
•
Expires: 1981-01-27
Abstract
No abstract record available.
Inventors
- 👤 Malcolm C Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:15
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/32; B67D7/3218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN COMBINATION, AN AUTOMATIC DISPENSING VALVE AND NOZZLE, AN OPERATING LEVER FOR SAID VALVE, A GUARD ELEMENT BEYOND SAID LEVER, SAID GUARD ELEMENT HAVING BIFURCATIONS AT ITS REAR END, A LATCH FOR ENGAGING THE END OF SAID OPERATING LEVER AND PIVOTED TO SAID BIFURCATIONS SO AS TO SWING THEREBETWEEN, SAID LATCH BEING BIASED TO A NONLATCHING POSITION, AND THE VALVE MECHANISM BEING OF THE TYPE IN WHICH A PIVOT POINT FOR THE LEVER IS CHANGED UPON AUTOMATIC VALVE OPERATION, SO THAT SAID OPERATING LEVER NORMALLY RELEASES ITSELF FROM ENGAGEMENT WITH SAID LATCH, SAID LATCH HAVING A PLATE SHAPED TO CLOSE THE SPACE BETWEEN SAID BIFURCATIONS WHEN SAID LATCH IS IN THE ENGAGED POSITION.
Claim 2
Dependent Claim
113 words
IN COMBINATION, AN AUTOMATIC DISPENSING VALVE AND NOZZLE, AN OPERATING LEVER FOR SAID VALVE, A GUARD ELEMENT BEYOND SAID LEVER, SAID GUARD ELEMENT HAVING BIFURCATIONS AT ITS REAR END, A LATCH FOR ENGAGING THE END OF SAID OPERATING LEVER AND PIVOTED TO SAID BIFURCATIONS SO AS TO SWING THEREBETWEEN, SAID LATCH BEING BIASED TO A NONLATCHING POSITION, AND THE VALVE MECHANISM BEING OF THE TYPE IN WHICH A PIVOT POINT FOR THE LEVER IS CHANGED UPON AUTOMATIC VALVE OPERATION, SO THAT SAID OPERATING LEVER NORMALLY RELEASES ITSELF FROM ENGAGEMENT WITH SAID LATCH, SAID LATCH HAVING A PLATE SHAPED TO CLOSE THE SPACE BETWEEN SAID BIFURCATIONS WHEN SAID LATCH IS IN THE ENGAGED POSITION.
References Cited (Backward Citations)
US2528747A
Cited
US2702659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |