Patent US3279502A successfully refreshed from Google Patents.
US3279502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Braided covered flexible corrugated conduit
Assignee: Day International Corp
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Filing: 1965-02-23
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Granted: 1966-10-18
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Expires: 1985-02-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Russell B Waddell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:33
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/11; F16L11/115
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
60 words
A FLEXIBLE INEXTENSIBLE EXTERNALLY CORRUGATED CONDUIT CONSISTING OF AN INTERNAL REINFORCEMENT HAVING AXIALLY SPACED TURNS, AN ELASTOMERIC MEMBER EMBRACING SAID REINFORCEMENT AND A BRAIDED FABRIC COVER EMBRACING SAID MEMBER AND EXERTING A RADIALLY INWARD FORCE AGAINST SAID REINFORCEMENT AND WHICH IS THE SOLE FORCE UNIFYING THE RESULTING ASSEMBLY, SAID MEMBER AND COVER PARTIALLY SURROUNDING SAID TURNS AND EXTENDING INWARDLY THEREBETWEEN.
Claim 2
Dependent Claim
60 words
A FLEXIBLE INEXTENSIBLE EXTERNALLY CORRUGATED CONDUIT CONSISTING OF AN INTERNAL REINFORCEMENT HAVING AXIALLY SPACED TURNS, AN ELASTOMERIC MEMBER EMBRACING SAID REINFORCEMENT AND A BRAIDED FABRIC COVER EMBRACING SAID MEMBER AND EXERTING A RADIALLY INWARD FORCE AGAINST SAID REINFORCEMENT AND WHICH IS THE SOLE FORCE UNIFYING THE RESULTING ASSEMBLY, SAID MEMBER AND COVER PARTIALLY SURROUNDING SAID TURNS AND EXTENDING INWARDLY THEREBETWEEN.
Claim 3
Dependent Claim
69 words
A FLEXIBLE INEXTENSIBLE EXTERNALLY CORRUGATED CONDUIT CONSISTING OF AN INTERNAL REINFORCEMENT, AN ELASTOMERIC MEMBER EMBRACING SAID REINFORCEMENT TO FORM A FIRST ASSEMBLY, TIP SECTIONS LOCATED AT THE ENDS OF SAID ASSEMBLY, AND A BRAIDED FABRIC COVER EMBRACING SAID MEMBER AND TIP SECTIONS AND EXERTING A RADIALLY INWARD FORCE TO HOLD SAID TIP SECTIONS WITHIN SAID MEMBER AND WHICH IS THE SOLE FORCE UNIFYING SAID REINFORCEMENT, MEMBER, AND TIP SECTIONS.
Claim 4
Dependent Claim
69 words
A FLEXIBLE INEXTENSIBLE EXTERNALLY CORRUGATED CONDUIT CONSISTING OF AN INTERNAL REINFORCEMENT, AN ELASTOMERIC MEMBER EMBRACING SAID REINFORCEMENT TO FORM A FIRST ASSEMBLY, TIP SECTIONS LOCATED AT THE ENDS OF SAID ASSEMBLY, AND A BRAIDED FABRIC COVER EMBRACING SAID MEMBER AND TIP SECTIONS AND EXERTING A RADIALLY INWARD FORCE TO HOLD SAID TIP SECTIONS WITHIN SAID MEMBER AND WHICH IS THE SOLE FORCE UNIFYING SAID REINFORCEMENT, MEMBER, AND TIP SECTIONS.
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |