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US3277231A Expired / Lapsed US ⏱️ 0.0 years remaining

Conductor-carrying flexible conduit

Assignee: Electrolux Corp
•
Filing: 1964-01-17
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Granted: 1966-10-04
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Expires: 1984-01-17
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Abstract

No abstract record available.

Inventors

  • 👤 David F Downey
  • 👤 John T Ferraris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:44
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/0072; A; A47; A47L; A47L9/00; A47L9/24

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 163 words
IN A SHEATH-COVERED HOSE OF THE TYPE DESCRIBED THE COMBINATION OF: A HOSE CARCASS COMPRISING A TUBULAR BODY OF FLEXIBLE MATERIAL HAVING AN INNER TUBULAR WALL WHICH FORMS A PASSAGE THERETHROUGH, A HELICAL SPRING MEMBER DISPOSED COAXIALLY OF AND WITHIN SAID FLEXIBLE TUBULAR BODY TO EFFECT REINFORCEMENT THEREOF, A TUBULAR SLEEVE OF RADIALLY YIELDABLE ELASTIC MATERIAL COVERING THE OUTER SURFACE OF SAID TUBULAR HOSE CARCASS, FLEXIBLE CONDUCTOR MEANS CARRIED BY AND EXTENDING ALONG THE LENGTH OF SAID TUBULAR ELASTIC SLEEVE, SAID ELASTIC TUBULAR SLEEVE HAVING A THICKNESS GREATER THAN SAID FLEXIBLE CONDUCTOR MEANS, SAID FLEXIBLE CONDUCTOR MEANS HAVING NESTING CONTACT WITHIN A GROOVE-LIKE DEPRESSION IN THE OUTER PERIPHERAL SURFACE OF SAID ELASTIC TUBULAR SLEEVE AND DISPOSED FLUSH WITH THE OUTER PERIPHERAL SURFACE THEREOF, AND A FLEXIBLE TUBULAR SHEATH DISPOSED IN INTIMATE SURROUNDING RELATION TO SAID TUBULAR SLEEVE OF YIELDABLE ELASTIC MATERIAL TO OVERLIE AND SECURE SAID FLEXIBLE CONDUCTOR MEANS WITHIN THE GROOVE-LIKE DEPRESSION FLUSH WITH THE OUTER SURFACE OF SAID ELASTIC TUBULAR SLEEVE.
Claim 2
Dependent Claim 163 words
IN A SHEATH-COVERED HOSE OF THE TYPE DESCRIBED THE COMBINATION OF: A HOSE CARCASS COMPRISING A TUBULAR BODY OF FLEXIBLE MATERIAL HAVING AN INNER TUBULAR WALL WHICH FORMS A PASSAGE THERETHROUGH, A HELICAL SPRING MEMBER DISPOSED COAXIALLY OF AND WITHIN SAID FLEXIBLE TUBULAR BODY TO EFFECT REINFORCEMENT THEREOF, A TUBULAR SLEEVE OF RADIALLY YIELDABLE ELASTIC MATERIAL COVERING THE OUTER SURFACE OF SAID TUBULAR HOSE CARCASS, FLEXIBLE CONDUCTOR MEANS CARRIED BY AND EXTENDING ALONG THE LENGTH OF SAID TUBULAR ELASTIC SLEEVE, SAID ELASTIC TUBULAR SLEEVE HAVING A THICKNESS GREATER THAN SAID FLEXIBLE CONDUCTOR MEANS, SAID FLEXIBLE CONDUCTOR MEANS HAVING NESTING CONTACT WITHIN A GROOVE-LIKE DEPRESSION IN THE OUTER PERIPHERAL SURFACE OF SAID ELASTIC TUBULAR SLEEVE AND DISPOSED FLUSH WITH THE OUTER PERIPHERAL SURFACE THEREOF, AND A FLEXIBLE TUBULAR SHEATH DISPOSED IN INTIMATE SURROUNDING RELATION TO SAID TUBULAR SLEEVE OF YIELDABLE ELASTIC MATERIAL TO OVERLIE AND SECURE SAID FLEXIBLE CONDUCTOR MEANS WITHIN THE GROOVE-LIKE DEPRESSION FLUSH WITH THE OUTER SURFACE OF SAID ELASTIC TUBULAR SLEEVE.

References Cited (Backward Citations)

US2002739A Cited
FR755244A Cited
US2072690A Cited
GB588858A Cited
US2597806A Cited
US2865978A Cited
US2895001A Cited
US2917568A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-03 1970-04-04 1970-10-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-03 1974-04-04 1974-10-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-03 1978-04-04 1978-10-04 $7700.00 Window Closed / Lapsed

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