Patent US3217610A successfully refreshed from Google Patents.
US3217610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prong lock actuator
Assignee: Individual
•
Filing: 1963-07-29
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Granted: 1965-11-16
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Expires: 1983-07-29
Abstract
No abstract record available.
Inventors
- 👤 Samuel C Roskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:50
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/20; F15B15/26; F15B15/261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A PRONG LOCK ACTUATOR, SAID ACTUATOR COMPRISING AN ACTUATOR CYLINDER, AN ANCHOR PLATE, SAID ANCHOR PLATE BEING JUXTAPOSITIONED TO SAID CYLINDER, SAID ANCHOR PLATE HAVING A BASE, INTEGRAL CIRCUMSCRIBING SIDES, AND AN INWARDLY DIRECTED LIP ON THE SIDES, SAID BASE AND SIDES AN INWARDLY DIRECTED LIP DEFINING A CAVITY, AN OPENING IN THE BASE, A PLUNGER IN SAID OPENING, SAID PLUNGER CAPABLE OF MOVING IN SAID OPENING, A PRONG, SAID PRONG HAVING A HEAD AND AN OUTWARDLY DIRECTED SHOULDER ON THE HEAD, SAID HEAD BEING CAPABLE OF PASSING BETWEEN SAID LIP AND INTO THE CAVITY OF THE ANCHOR PLATE, AND SAID PLUNGER UPON CONTACTING SAID HEAD OF THE PRONG MOVING THE HEAD OF THE PRONG SO THAT THE OUTWARDLY DIRECTED SHOULDER IS POSITIONED SO AS NOT TO BE ABLE TO MOVE PAST SAID LIP AND OUT OF THE CAVITY IN THE ANCHOR PLATE, A PISTON IN SAID CYLINDER, AND SAID PRONG BEING PIVOTED SO AS TO BE MOVED BY SAID HEAD.
Claim 2
Dependent Claim
161 words
A PRONG LOCK ACTUATOR, SAID ACTUATOR COMPRISING AN ACTUATOR CYLINDER, AN ANCHOR PLATE, SAID ANCHOR PLATE BEING JUXTAPOSITIONED TO SAID CYLINDER, SAID ANCHOR PLATE HAVING A BASE, INTEGRAL CIRCUMSCRIBING SIDES, AND AN INWARDLY DIRECTED LIP ON THE SIDES, SAID BASE AND SIDES AN INWARDLY DIRECTED LIP DEFINING A CAVITY, AN OPENING IN THE BASE, A PLUNGER IN SAID OPENING, SAID PLUNGER CAPABLE OF MOVING IN SAID OPENING, A PRONG, SAID PRONG HAVING A HEAD AND AN OUTWARDLY DIRECTED SHOULDER ON THE HEAD, SAID HEAD BEING CAPABLE OF PASSING BETWEEN SAID LIP AND INTO THE CAVITY OF THE ANCHOR PLATE, AND SAID PLUNGER UPON CONTACTING SAID HEAD OF THE PRONG MOVING THE HEAD OF THE PRONG SO THAT THE OUTWARDLY DIRECTED SHOULDER IS POSITIONED SO AS NOT TO BE ABLE TO MOVE PAST SAID LIP AND OUT OF THE CAVITY IN THE ANCHOR PLATE, A PISTON IN SAID CYLINDER, AND SAID PRONG BEING PIVOTED SO AS TO BE MOVED BY SAID HEAD.
References Cited (Backward Citations)
US2771060A
Cited
US3003471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |