Patent US3321571A successfully refreshed from Google Patents.
US3321571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible conduit
Assignee: Republic Industrial Corp
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Filing: 1965-02-02
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Granted: 1967-05-23
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Expires: 1985-02-02
Abstract
No abstract record available.
Inventors
- 👤 William R Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:32
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/04; H02G3/0437; H02G3/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
228 words
A FLEXIBLE CONDUIT FORMED TO DEFINE A LONGITUDINAL AXIS AND BEING FREELY BENDABLE ABOUT AXES EXTENDING LATERALLY OF SAID LONGITUDINAL AXIS COMPRISING, A PLURALITY OF LONGITUDINALLY SPACED ELEMENTS HAVING GENERALLY LIKE CROSS SECTIONAL CONFIGURATIONS IN PLANES NORMAL TO SAID LONGITUDINAL AXIS AND, FIRST AND SECOND BRIDGING MEANS INTEGRALLY CONNECTING ALTERNATE ELEMENTS, RESPECTIVELY, TO ONE ANOTHER ALONG THE LENGTH OF SAID FLEXIBLE CONDUIT, THERE BEING AT LEAST ONE SUCH BRIDGING MEANS BETWEEN ADJACENT ELEMENTS, SAID FIRST BRIDGING MEANS HAVING A RELATIVELY LOW MOMENT OF INERTIA ABOUT A FIRST BENDING AXIS THAT IS NORMAL TO SAID LONGITUDINAL AXIS TO FACILITATE BENDING OF SAID FLEXIBLE CONDUIT ABOUT SAID FIRST BENDING AXIS, SAID FIRST BRIDGING MEANS HAVING A RELATIVELY HIGH MOMENT OF INERTIA ABOUT A SECOND BENDING AXIS THAT IS NORMAL TO SAID LONGITUDINAL AXIS AND TO SAID FIRST BENDING AXIS TO RESIST BENDING OF SAID FLEXIBLE CONDUIT ABOUT SAID SECOND BENDING AXIS, SAID SECOND BRIDGING MEANS HAVING A RELATIVELY LOW MOMENT OF INERTIA ABOUT SAID SECOND BENDING AXIS TO FACILITATE BENDING OF SAID FLEXIBLE CONDUIT ABOUT SAID SECOND BENDING AXIS AND A RELATIVELY HIGH MOMENT OF INERTIA ABOUT SAID FIRST BENDING AXIS TO RESIST BENDING OF SAID FLEXIBLE CONDUIT ABOUT SAID FIRST BENDING AXIS, THE SPACING OF SAID ELEMENTS BEING SUCH THAT CONDUCTORS CONTAINED WITHIN AND SUPPORTED BY SAID FLEXIBLE CONDUIT CAN BE EXTENDED BETWEEN AN ADJACENT PAIR OF SAID ELEMENTS.
Claim 2
Dependent Claim
228 words
A FLEXIBLE CONDUIT FORMED TO DEFINE A LONGITUDINAL AXIS AND BEING FREELY BENDABLE ABOUT AXES EXTENDING LATERALLY OF SAID LONGITUDINAL AXIS COMPRISING, A PLURALITY OF LONGITUDINALLY SPACED ELEMENTS HAVING GENERALLY LIKE CROSS SECTIONAL CONFIGURATIONS IN PLANES NORMAL TO SAID LONGITUDINAL AXIS AND, FIRST AND SECOND BRIDGING MEANS INTEGRALLY CONNECTING ALTERNATE ELEMENTS, RESPECTIVELY, TO ONE ANOTHER ALONG THE LENGTH OF SAID FLEXIBLE CONDUIT, THERE BEING AT LEAST ONE SUCH BRIDGING MEANS BETWEEN ADJACENT ELEMENTS, SAID FIRST BRIDGING MEANS HAVING A RELATIVELY LOW MOMENT OF INERTIA ABOUT A FIRST BENDING AXIS THAT IS NORMAL TO SAID LONGITUDINAL AXIS TO FACILITATE BENDING OF SAID FLEXIBLE CONDUIT ABOUT SAID FIRST BENDING AXIS, SAID FIRST BRIDGING MEANS HAVING A RELATIVELY HIGH MOMENT OF INERTIA ABOUT A SECOND BENDING AXIS THAT IS NORMAL TO SAID LONGITUDINAL AXIS AND TO SAID FIRST BENDING AXIS TO RESIST BENDING OF SAID FLEXIBLE CONDUIT ABOUT SAID SECOND BENDING AXIS, SAID SECOND BRIDGING MEANS HAVING A RELATIVELY LOW MOMENT OF INERTIA ABOUT SAID SECOND BENDING AXIS TO FACILITATE BENDING OF SAID FLEXIBLE CONDUIT ABOUT SAID SECOND BENDING AXIS AND A RELATIVELY HIGH MOMENT OF INERTIA ABOUT SAID FIRST BENDING AXIS TO RESIST BENDING OF SAID FLEXIBLE CONDUIT ABOUT SAID FIRST BENDING AXIS, THE SPACING OF SAID ELEMENTS BEING SUCH THAT CONDUCTORS CONTAINED WITHIN AND SUPPORTED BY SAID FLEXIBLE CONDUIT CAN BE EXTENDED BETWEEN AN ADJACENT PAIR OF SAID ELEMENTS.
References Cited (Backward Citations)
US3082984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |