Patent US3071161A successfully refreshed from Google Patents.
US3071161A
Expired / Lapsed
US
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Bidirectionally flexible segmented tube
Assignee: Bausch and Lomb Inc
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Filing: 1960-05-16
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Granted: 1963-01-01
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Expires: 1980-05-16
Abstract
No abstract record available.
Inventors
- 👤 Gustav A Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:03
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/12; F16L11/121; A; A61; A61B; A61B1/00; A61B1/00163; A61B1/00165; A61B1/005; A61B1/0051; A61B1/0055; B; B25; B25J; B25J18/00; B25J18/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A FLEXIBLE TUBE FOR AN ENDOSCOPE OR THE LIKE COMPRISING TWO ELONGATED FLEXIBLE PORTIONS ARRANGED IN SERIES FOR FLEXTURE IN MUTUALLY DIFFERENT PLANES, A TENSION LINE EXTENDING THROUGH BOTH OF SAID PORTIONS ALONG THE SIDE WALLS THEREOF, AND A GUIDE MEMBER BETWEEN SAID TWO PORTIONS, AN ELASTOMERIC SHEATH ENCASING SAID PORTIONS AND SAID GUIDE MEMBER, SAID GUIDE MEMBER HAVING A SPIRAL GUIDEWAY FOR GUIDING SAID TENSION LINE THROUGH AN ANGULAR DISPLACEMENT BETWEEN SAID TWO PORTIONS SO THAT WHEN THE RESPECTIVE PORTIONS OF SAID LINE COEXTENSIVE WITH SAID TWO FLEXIBLE TUBE PORTIONS ARE ORIENTED IN A ROTATED RELATION BETWEEN SAID FLEXIBLE TUBE PORTIONS AND SAID LINE IS TENSIONED THE TWISTING FORCE EXERTED BY SAID LINE UPON THE TUBE IS RESISTED BY SAID GUIDE MEMBER AND THE ANGULAR DISPLACEMENT BETWEEN SAID FLEXIBLE TUBE PORTIONS REMAINS UNDISTURBED.
Claim 2
Dependent Claim
134 words
A FLEXIBLE TUBE FOR AN ENDOSCOPE OR THE LIKE COMPRISING TWO ELONGATED FLEXIBLE PORTIONS ARRANGED IN SERIES FOR FLEXTURE IN MUTUALLY DIFFERENT PLANES, A TENSION LINE EXTENDING THROUGH BOTH OF SAID PORTIONS ALONG THE SIDE WALLS THEREOF, AND A GUIDE MEMBER BETWEEN SAID TWO PORTIONS, AN ELASTOMERIC SHEATH ENCASING SAID PORTIONS AND SAID GUIDE MEMBER, SAID GUIDE MEMBER HAVING A SPIRAL GUIDEWAY FOR GUIDING SAID TENSION LINE THROUGH AN ANGULAR DISPLACEMENT BETWEEN SAID TWO PORTIONS SO THAT WHEN THE RESPECTIVE PORTIONS OF SAID LINE COEXTENSIVE WITH SAID TWO FLEXIBLE TUBE PORTIONS ARE ORIENTED IN A ROTATED RELATION BETWEEN SAID FLEXIBLE TUBE PORTIONS AND SAID LINE IS TENSIONED THE TWISTING FORCE EXERTED BY SAID LINE UPON THE TUBE IS RESISTED BY SAID GUIDE MEMBER AND THE ANGULAR DISPLACEMENT BETWEEN SAID FLEXIBLE TUBE PORTIONS REMAINS UNDISTURBED.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |