Pipe coupling
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FIG. 1 is a top, front perspective view of a first embodiment of a pipe coupling showing our new design;
FIG. 2 is a rear elevation thereof;
FIG. 3 is a right side elevation thereof; the left side is the same as the right side;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a top, front perspective view of a second embodiment of a pipe coupling showing our new design;
FIG. 6 is a rear elevation thereof;
FIG. 7 is a right side elevation of FIG. 5; the left side elevation is represented by FIG. 3;
FIG. 8 is a bottom plan view of FIG. 5; the top plan view is represented by FIG. 3 is rotated 90.degree. counterclockwise;
FIG. 9 is a top, front perspective view of a third embodiment of a pipe coupling showing our new design;
FIG. 10 is a rear elevation thereof;
FIG. 11 is a right side view thereof; the left side view is the same as the right side; and,
FIG. 12 is a bottom plan view thereof.
459910 | September 1891 | Hogan |
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- Parker Hannifin Fluid Power Products Catalog, .COPYRGT.Nov. 1969, tube fittings, Braze-Lok item BJB union fee, p. 45. Stewarts and Lloyds Plastics, "Sapphire" Push-Fit Connectors (Product Catalog) not dated.
Type: Grant
Filed: Jan 9, 1992
Date of Patent: Jan 24, 1995
Assignee: Hepworth Building Products Limited (Hazlehead)
Inventors: Alexander D. Grant (Cropredy), Ronald A. Ireland (Barrowford)
Primary Examiner: A. Hugo Word
Assistant Examiner: Eric Watterson
Law Firm: Rosen, Dainow & Jacobs
Application Number: 7/818,375