US3093402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination cane and retriever
Assignee: Clark Metal Products Inc
•
Filing: 1960-12-29
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Granted: 1963-06-11
•
Expires: 1980-12-29
Abstract
No abstract record available.
Inventors
- 👤 Earl L Sisson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:41
CPC Classifications
A; A45; A45B; A45B3/00; A61; A61H; A61H3/00; A61H3/02; A61H2003/0222
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
397 words
A COMBINATION CANE AND RETRIEVER, COMPRISING A TUBULAR SHAFT HAVING AN OPEN LOWER END, A LATERALLY EXTENDING HANDLE HAVING A VERTICALLY EXTENDING HUB PORTION FIXED UPON THE UPPER END OF SAID SHAFT, SAID HUB PORTION HAVING A VERTICALLY EXTENDING POCKET OPENING TO ITS UPPER END AND AXIALLY ALIGNED WITH SAID SHAFT, A BEARING BUSHING IN THE LOWER END OF SAID POCKET AXIALLY ALIGNED WITH SAID SHAFT, A ROD DISPOSED LONGITUDINALLY IN SAID SHAFT HAVING ITS UPPER END PORTION SLIDABLE IN SAID BEARING BUSHING AND EXTENDING INTO SAID POCKET, A RETRIEVER MEANS CARRIED UPON THE LOWER END OF SAID ROD COMPRISING A PAIR OF LATERALLY OPPOSED SPRING LEGS HAVING A CLOSED POSITION RETRACTED WITHIN SAID SHAFT AND AN OPEN POSITION PROJECTED FROM SAID OPEN LOWER END THEREOF, A PUSH BUTTON DISPOSED IN SAID POCKET AND SECURED TO SAID ROD FOR IMPARTING DOWNWARD MOVEMENT THERETO TO PROJECT SAID RETRIEVER MEANS, A HELCAL EXPANSION SPRING INTERPOSED ON SAID ROD BETWEEN SAID BEARING AND SAID PUSH BUTTON FOR EXERTING UPWARD PRESSURE ON SAID ROD TO RETRACT SAID RETRIEVER MEANS, AND AN ANNULAR INWARDLY DIRECTED RIB UPON THE INNER WALL OF SAID SHAFT UPWARDLY SPACED FROM SAID OPEN LOWER END DEFINING A RESTRICTED OPENING IN WHICH SAID RETRIEVER MEANS IS MOVABLE DURING RETRACTING AND PROJECTING MOVEMENT AND DEFINING A POCKET WITHIN SAID SHAFT BELOW SAID RIB, SAID SPRING LEGS OF SAID RETRIEVER MEANS HAVING INWARDLY DIRECTED FINGER PORTIONS AT THEIR LOWER ENDS, SHOULDER PORTIONS SPACED UPWARDLY FROM SAID FINGER PORTIONS A DISTANCE LESS THAN THE DEPTH OF SAID POCKET FOR ENGAGING BENEATH SAID RIB TO LIMIT THE RETRACTION OF SAID RETRIEVER MEANS UNDER THE PRESSURE OF SAID SPRING MEANS TO A POSITION WHEREIN SAID FINGER PORTIONS ARE DISPOSED IN SAID POCKET ENTIRELY ABOVE SAID OPEN LOWER END OF SAID SHAFT, DOWNWARDLY DIVERGENT INCLINED PORTIONS SPACED UPWARDLY FROM SAID SHOULDER MEANS, AND PORTIONS INTERMEDIATE SAID SHOULDER PORTIONS AND SAID INCLINED PORTIONS OF A LENGTH SUBSTANTIALLY GREATER THAN THE DEPTH OF SAID POCKET DISPOSED PARALLEL TO EACH OTHER IN SAID CLOSED POSITION AND ADAPTED TO ENGAGE SAID RIB WITHIN SAID RESTRICTED OPENING IN THE FULLY RETRACTED POSITION OF SAID RETRIEVER MEANS AND IN A PARTIALLY RETRACTED POSITION, AND SAID INCLINED PORTIONS BEING MOVABLE INTO LATERALLY OPPOSED RELATION TO SAID RIB WITHIN SAID RESTRICTED OPENING AS SAID RETRIEVER MEANS IS MOVED TO ITS FULLY PROJECTED POSITION TO ALLOW SAID LEGS TO MOVE TO OPEN POSITION.
Claim 2
Dependent Claim
397 words
A COMBINATION CANE AND RETRIEVER, COMPRISING A TUBULAR SHAFT HAVING AN OPEN LOWER END, A LATERALLY EXTENDING HANDLE HAVING A VERTICALLY EXTENDING HUB PORTION FIXED UPON THE UPPER END OF SAID SHAFT, SAID HUB PORTION HAVING A VERTICALLY EXTENDING POCKET OPENING TO ITS UPPER END AND AXIALLY ALIGNED WITH SAID SHAFT, A BEARING BUSHING IN THE LOWER END OF SAID POCKET AXIALLY ALIGNED WITH SAID SHAFT, A ROD DISPOSED LONGITUDINALLY IN SAID SHAFT HAVING ITS UPPER END PORTION SLIDABLE IN SAID BEARING BUSHING AND EXTENDING INTO SAID POCKET, A RETRIEVER MEANS CARRIED UPON THE LOWER END OF SAID ROD COMPRISING A PAIR OF LATERALLY OPPOSED SPRING LEGS HAVING A CLOSED POSITION RETRACTED WITHIN SAID SHAFT AND AN OPEN POSITION PROJECTED FROM SAID OPEN LOWER END THEREOF, A PUSH BUTTON DISPOSED IN SAID POCKET AND SECURED TO SAID ROD FOR IMPARTING DOWNWARD MOVEMENT THERETO TO PROJECT SAID RETRIEVER MEANS, A HELCAL EXPANSION SPRING INTERPOSED ON SAID ROD BETWEEN SAID BEARING AND SAID PUSH BUTTON FOR EXERTING UPWARD PRESSURE ON SAID ROD TO RETRACT SAID RETRIEVER MEANS, AND AN ANNULAR INWARDLY DIRECTED RIB UPON THE INNER WALL OF SAID SHAFT UPWARDLY SPACED FROM SAID OPEN LOWER END DEFINING A RESTRICTED OPENING IN WHICH SAID RETRIEVER MEANS IS MOVABLE DURING RETRACTING AND PROJECTING MOVEMENT AND DEFINING A POCKET WITHIN SAID SHAFT BELOW SAID RIB, SAID SPRING LEGS OF SAID RETRIEVER MEANS HAVING INWARDLY DIRECTED FINGER PORTIONS AT THEIR LOWER ENDS, SHOULDER PORTIONS SPACED UPWARDLY FROM SAID FINGER PORTIONS A DISTANCE LESS THAN THE DEPTH OF SAID POCKET FOR ENGAGING BENEATH SAID RIB TO LIMIT THE RETRACTION OF SAID RETRIEVER MEANS UNDER THE PRESSURE OF SAID SPRING MEANS TO A POSITION WHEREIN SAID FINGER PORTIONS ARE DISPOSED IN SAID POCKET ENTIRELY ABOVE SAID OPEN LOWER END OF SAID SHAFT, DOWNWARDLY DIVERGENT INCLINED PORTIONS SPACED UPWARDLY FROM SAID SHOULDER MEANS, AND PORTIONS INTERMEDIATE SAID SHOULDER PORTIONS AND SAID INCLINED PORTIONS OF A LENGTH SUBSTANTIALLY GREATER THAN THE DEPTH OF SAID POCKET DISPOSED PARALLEL TO EACH OTHER IN SAID CLOSED POSITION AND ADAPTED TO ENGAGE SAID RIB WITHIN SAID RESTRICTED OPENING IN THE FULLY RETRACTED POSITION OF SAID RETRIEVER MEANS AND IN A PARTIALLY RETRACTED POSITION, AND SAID INCLINED PORTIONS BEING MOVABLE INTO LATERALLY OPPOSED RELATION TO SAID RIB WITHIN SAID RESTRICTED OPENING AS SAID RETRIEVER MEANS IS MOVED TO ITS FULLY PROJECTED POSITION TO ALLOW SAID LEGS TO MOVE TO OPEN POSITION.
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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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |