US3175853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock means
Assignee: Individual
•
Filing: 1962-04-30
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Granted: 1965-03-30
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Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 John E Gilbertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:28
CPC Classifications
B; B65; B65D; B65D50/00; B65D50/02; B65D50/04; B65D50/045; B65D50/046; E; E05; E05C; E05C19/00; E05C19/06; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/4588; Y10T24/45885; Y10T292/00; Y10T292/08; Y10T292/0894; Y10T292/0895; Y10T292/0901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
IN A LOCKING MEANS FOR SELECTIVELY HOLDING TWO MEMBERS TOGETHER AT TIMES, COMPRISING IN COMBINATION, A FIRST MEMBER, A SECOND MEMBER, A SLIT GROOVE IN AN OUTER WALL OF SAID FIRST MEMBER, A PROTRUSION ON SAID OUTER WALL ABOVE SAID SLIT GROOVE, A PROTRUSION ON SAID OUTER WALL BELOW SAID SLIT GROOVE, A CYLINDRICAL HOLE IN A WALL OF SAID FIRST MEMBER COMMUNICATING WITH SAID SLIT GROOVE, A PISTON SLIDABLY EXTENDING THROUGH SAID CYLINDRICAL HOLE INTO THE INSIDE OF SAID FIRST MEMBER, A SPRING CATCH MEANS SECURED TO THE INNER SURFACE OF SAID PISTON AND TO AN INSIDE WALL OF SAID FIRST MEMBER, SAID SPRING CATCH MEANS CAPABLE OF CATCH ENGAGING THE OTHER SAID MEMBER WHEN SAID PISTON IS IN AN OUTWARD POSITION OF ITS SLIDING MOVEMENT WITH RESPECT TO THE OUTER WALL OF SAID FIRST MEMBER, AND A SHOULDER ON SAID INNER WALL OF SAID FIRST MEMBER ADJACENT SAID CYLINDRICAL HOLE, CAPABLE OF BEING ENGAGED BY SAID PISTON FOR DETACHABLY HOLDING SAID PISTON IN AN INWARD POSITION OF ITS SLIDING MOVEMENT, SAID PISTON HAVING A NOTCH IN ITS FORWARD END ADAPTED TO ENGAGE SAID SHOULDER FOR SELECTIVELY HOLDING SAID PISTON IN AN INWARD POSITION OF ITS SLIDING MOVEMENT, SAID PISTON BEING RECESSED WITHIN SAID SLIT GROOVE WHEN SAID PISTON IS IN AN OUTWARD POSITION OF ITS SLIDING MOVEMENT.
Claim 2
Dependent Claim
219 words
IN A LOCKING MEANS FOR SELECTIVELY HOLDING TWO MEMBERS TOGETHER AT TIMES, COMPRISING IN COMBINATION, A FIRST MEMBER, A SECOND MEMBER, A SLIT GROOVE IN AN OUTER WALL OF SAID FIRST MEMBER, A PROTRUSION ON SAID OUTER WALL ABOVE SAID SLIT GROOVE, A PROTRUSION ON SAID OUTER WALL BELOW SAID SLIT GROOVE, A CYLINDRICAL HOLE IN A WALL OF SAID FIRST MEMBER COMMUNICATING WITH SAID SLIT GROOVE, A PISTON SLIDABLY EXTENDING THROUGH SAID CYLINDRICAL HOLE INTO THE INSIDE OF SAID FIRST MEMBER, A SPRING CATCH MEANS SECURED TO THE INNER SURFACE OF SAID PISTON AND TO AN INSIDE WALL OF SAID FIRST MEMBER, SAID SPRING CATCH MEANS CAPABLE OF CATCH ENGAGING THE OTHER SAID MEMBER WHEN SAID PISTON IS IN AN OUTWARD POSITION OF ITS SLIDING MOVEMENT WITH RESPECT TO THE OUTER WALL OF SAID FIRST MEMBER, AND A SHOULDER ON SAID INNER WALL OF SAID FIRST MEMBER ADJACENT SAID CYLINDRICAL HOLE, CAPABLE OF BEING ENGAGED BY SAID PISTON FOR DETACHABLY HOLDING SAID PISTON IN AN INWARD POSITION OF ITS SLIDING MOVEMENT, SAID PISTON HAVING A NOTCH IN ITS FORWARD END ADAPTED TO ENGAGE SAID SHOULDER FOR SELECTIVELY HOLDING SAID PISTON IN AN INWARD POSITION OF ITS SLIDING MOVEMENT, SAID PISTON BEING RECESSED WITHIN SAID SLIT GROOVE WHEN SAID PISTON IS IN AN OUTWARD POSITION OF ITS SLIDING MOVEMENT.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |