US3098669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopic tube
Assignee: Individual
•
Filing: 1961-04-17
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Granted: 1963-07-23
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Expires: 1981-04-17
Abstract
No abstract record available.
Inventors
- 👤 Fortin Louis Philippe
- 👤 Lemieux Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:12
CPC Classifications
B; B25; B25G; B25G1/00; B25G1/04; F; F16; F16B; F16B7/00; F16B7/10; F16B7/14; F16B7/1463; Y; Y10; Y10T; Y10T403/00; Y10T403/53; Y10T403/535
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A TELESCOPIC TUBE COMPRISING AN OUTER TUBE SECTION AND AN INNER SECTION IN TELESCOPIC ENGAGEMENT, SAID OUTER TUBE SECTION HAVING INNER LONGITUDIALLY EXTENDING RIBS AND INTERVENING RECESSES, SAID INNER TUBE SECTION HAVING AN OUTER CYLINDRICAL SURFACE SLIDABLY ENGAGEABLE WITH SAID RIBS AND ROTATABLE AND LONGITUDINALLY MOVABLE WITH RESPECT OT SAID OUTER TUBE SECTION, THE TELESCOPED END OF SAID INNER TUBE SECTION HAVING SLITS DEFINING EXPANDABLE LEAVES THEREBETWEEN, A BOLT DISPOSED COAXIALLY OF SAID INNER TUBE SECTION AND HAVING ONE END SECURED TO THE SAME IN A ZONE SPACED INWARDLY FROM SAID TELESCOPED END AND PROTRUDING FROM SAID LEAVES, AN EXPANDER IN THREADED ENGAGEMENT WITH SAID BOLT AND CONSISTING OF A FRUSTOCONICAL PORTION HAVING ITS SMALLER END FITTING WITHIN SAID INNER TUBE SECTION AND ENGAGEABLE WITH SAID LEAVES TO EXPAND THE SAME AND CAUSE SAID LEAVES TO FRICTIONALLY AND TIGHTLY ENGAGE SAID RIBS IN ORDER TO LOCK SAID TWO TUBE SECTIONS IN ADJUSTED POSITION SAID EXPANDER FURTHER HAVING AN INTEGRAL HEAD LOCATED OUTSIDE OF SAID INNER TUBE SECTION AND PROVIDING RADIAL PROJECTIONS ENGAGEABLE WITH SAID RECESSES AND RIBS TO PREVENT ROTATION OF SAID EXPANDER WITH RESPECT TO SAID OUTER TUBE SECTION AN YET ALLOW LONGITUDINAL DISPLACEMENT OF SAID EXPANDER WITH RESPECT TO SAID OUTER TUBE SECTION.
Claim 2
Dependent Claim
205 words
A TELESCOPIC TUBE COMPRISING AN OUTER TUBE SECTION AND AN INNER SECTION IN TELESCOPIC ENGAGEMENT, SAID OUTER TUBE SECTION HAVING INNER LONGITUDIALLY EXTENDING RIBS AND INTERVENING RECESSES, SAID INNER TUBE SECTION HAVING AN OUTER CYLINDRICAL SURFACE SLIDABLY ENGAGEABLE WITH SAID RIBS AND ROTATABLE AND LONGITUDINALLY MOVABLE WITH RESPECT OT SAID OUTER TUBE SECTION, THE TELESCOPED END OF SAID INNER TUBE SECTION HAVING SLITS DEFINING EXPANDABLE LEAVES THEREBETWEEN, A BOLT DISPOSED COAXIALLY OF SAID INNER TUBE SECTION AND HAVING ONE END SECURED TO THE SAME IN A ZONE SPACED INWARDLY FROM SAID TELESCOPED END AND PROTRUDING FROM SAID LEAVES, AN EXPANDER IN THREADED ENGAGEMENT WITH SAID BOLT AND CONSISTING OF A FRUSTOCONICAL PORTION HAVING ITS SMALLER END FITTING WITHIN SAID INNER TUBE SECTION AND ENGAGEABLE WITH SAID LEAVES TO EXPAND THE SAME AND CAUSE SAID LEAVES TO FRICTIONALLY AND TIGHTLY ENGAGE SAID RIBS IN ORDER TO LOCK SAID TWO TUBE SECTIONS IN ADJUSTED POSITION SAID EXPANDER FURTHER HAVING AN INTEGRAL HEAD LOCATED OUTSIDE OF SAID INNER TUBE SECTION AND PROVIDING RADIAL PROJECTIONS ENGAGEABLE WITH SAID RECESSES AND RIBS TO PREVENT ROTATION OF SAID EXPANDER WITH RESPECT TO SAID OUTER TUBE SECTION AN YET ALLOW LONGITUDINAL DISPLACEMENT OF SAID EXPANDER WITH RESPECT TO SAID OUTER TUBE SECTION.
References Cited (Backward Citations)
DE536003C
Cited
US2454989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |