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US3560027A Expired / Lapsed US ⏱️ 0.0 years remaining

Coupling assembly

Assignee: GRA TEC Inc
•
Filing: 1967-02-20
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Granted: 1971-02-02
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Expires: 1987-02-20
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Abstract

Abstract THE COUPLING ASSEMBLY DISCLOSED HEREIN COMPRISES A DISTRIBUTION BLOCK AND ASSOCIATED FITTING TERMINATIONS SEALABLY CONNECTED WITH THE BLOCK. THE DISTRIBUTION BLOCK IS PROVIDED WITH A PLURALITY OF INTERSECTING SMOOTH BORES EXTENDING THEREINTO FROM THE SERIES THEREOF TO PROVIDE A PLURALITY OF PORTS AND A CORRESPONDING NUMBER OF SLOTS, EACH INTERSECTING ONE OF THE BORES ADJACENT A PORT. EACH OF THE FITTI NG TERMINATIONS INCLUDES A CYLINDRICAL SURFACE PORTION HAVING A PAIR OF AXIALLY SPACED ANNULAR GROOVES AND SLIDABLY RECEIVED WITHIN THE ASSOCIATED BORE, AND A SHOULDER PORTION ABUTTING A BLOCK SIDE SURFACE WHEN THE TERMINATION IS POSITIONED WITHIN THE BORE WITH THE OUTER ANNULAR GROOVE ALIGNED WITH AN ASSOCIATED SLOT. A CLIP SLIDES WITHIN THE SLOT AND A PORTION OF THAT OUTER GROOVE AND A RESILIENT O-RING IS POSITIONED WITHIN THE OTHER GROOVE, RESPECTIVELY, TO LOCK AND SEAL THE BLOCK AND TERMINATION TOGETHER.

Inventors

  • 👤 Charles H Graham

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 09:47
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/02; F16L41/03; F16L37/00; F16L37/08; F16L37/12; F16L37/14; F16L37/142; F16L37/144

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) 1974-02-01 1974-08-03 1975-02-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-01 1978-08-03 1979-02-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-01 1982-08-03 1983-02-02 $7700.00 Window Closed / Lapsed

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