US3474833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescoping tube assembly
Assignee: ARMED FORCES EQUIPMENT DEV CORP
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Filing: 1966-08-26
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Granted: 1969-10-28
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Expires: 1986-08-26
Abstract
No abstract record available.
Inventors
- 👤 Charles H Garrette Jr
- 👤 Harry Michael Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:08
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/10; F16B7/105; F16L; F16L27/00; F16L27/12; F16M; F16M11/00; F16M11/20; F16M11/24; F16M11/26; F16M11/28; F16M2200/00; F16M2200/02; F16M2200/025; F16M2200/027; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32467; Y10T403/32475; Y10T403/32483; Y10T403/60; Y10T403/602; Y10T403/604
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A TUBE ASSEMBLY COMPRISING A PLURALITY OF TELESCOPING TUBES OF VARYING DIAMETER, A SPRING URGED PIN LOCATED IN THE LOWER PORTION OF ALL OF SAID TUBES BUT THE OUTERMOST ONE, A HOLE FORMED THROUGH THE UPPER PORTION OF ALL OF SAID TUBES BUT THE INNERMOST ONE, THE PIN OF A GIVEN TUBE ADAPTED TO EXTEND COMPLETELY THROUGH THE HOLE OF THE NEXT OUTER TUBE TO MAINTAIN SAID GIVEN TUBE IN AN EXTENDED POSITION, THE END OF EACH OF SAID PINS EXTENDING OUTWARDLY FROM THE NEXT OUTER TUBE AND HAVING A CAM SURFACE SO THAT, WHEN SAID NEXT OUTER TUBE IS TELESCOPED WITHIN ITS NEXT OUTER TUBE, SAID PIN IS CAMMED INWARDLY BY THE END OF SAID LATTER NEXT OUTER TUBE.
Claim 2
Dependent Claim
120 words
A TUBE ASSEMBLY COMPRISING A PLURALITY OF TELESCOPING TUBES OF VARYING DIAMETER, A SPRING URGED PIN LOCATED IN THE LOWER PORTION OF ALL OF SAID TUBES BUT THE OUTERMOST ONE, A HOLE FORMED THROUGH THE UPPER PORTION OF ALL OF SAID TUBES BUT THE INNERMOST ONE, THE PIN OF A GIVEN TUBE ADAPTED TO EXTEND COMPLETELY THROUGH THE HOLE OF THE NEXT OUTER TUBE TO MAINTAIN SAID GIVEN TUBE IN AN EXTENDED POSITION, THE END OF EACH OF SAID PINS EXTENDING OUTWARDLY FROM THE NEXT OUTER TUBE AND HAVING A CAM SURFACE SO THAT, WHEN SAID NEXT OUTER TUBE IS TELESCOPED WITHIN ITS NEXT OUTER TUBE, SAID PIN IS CAMMED INWARDLY BY THE END OF SAID LATTER NEXT OUTER TUBE.
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) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |