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US3564676A Expired / Lapsed US ⏱️ 0.0 years remaining

Noise-attenuating pipe fastener

Assignee: GESELLSCHAFT fur TECHNISCHEN FORTSCHRITT MBH
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Filing: 1968-10-07
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Granted: 1971-02-23
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Expires: 1988-10-07
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Abstract

Abstract A METALLIC PIPE CLIP LINED WITH ONE OR MORE RUBBER STRIPS HAVING A SMOOTH OUTER AND A CORRUGATED INNER FACE. THE SMOOTH FACE IS HELD AGAINST THE INNER WALL OF THE METAL CLIP BY MUSHROOM-SHAPED BUTTONS PASSING FROM THE RUBBER STRIP THROUGH OPENINGS OF THE METAL CLIP. THE CORRUGATIONS OR RIBS ON THE INNER FACE ARE ELONGATED AXIALLY OF FASTENED PIPE. METAL-TO-METAL CONTACT AND THE RESULTING READY PROPAGATION OF NOISE FROM THE PIPE SYSTEM TO A SUPPORTING STRUCTURE IS PREVENTED.

Inventors

  • 👤 Konrad Oeser

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 13:26
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/02; F16L55/033; F16L55/035; F16L3/00; F16L3/08; F16L3/10; F16L3/1008; F16L3/1016; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1441

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-02-22 1974-08-24 1975-02-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-22 1978-08-24 1979-02-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-22 1982-08-24 1983-02-23 $7700.00 Window Closed / Lapsed

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