USD237968S - Thumbscrew valve depressor - Google Patents
Thumbscrew valve depressor Download PDFInfo
- Publication number
- USD237968S USD237968S US D237968 S USD237968 S US D237968S
- Authority
- US
- United States
- Prior art keywords
- thumbscrew
- valve depressor
- valve
- depressor
- view
- Prior art date
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- 230000000994 depressed Effects 0.000 title description 8
- 238000004519 manufacturing process Methods 0.000 description 2
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Description
Des. 237,968
Patented Dec. 9, 1975 United States Patent THUMBSCREW VALVE DEPRESSOR John W. Olson, .lr., Garland, Tex., assignor to C & D Valve Manufacturing Company, Oklahoma City, Okla.
Filed June 25, 1973, Ser. No. 372,960
Term of patent 14 years Int. Cl. D23--0] US. Cl. D23-40 FIG. 1 is a left side elevation view of the valve depressor showing my new design.
FIG. 2 is a right side elevation view thereof.
FIG. 3 is a top plan view thereof.
FIG. 4 is a bottom plan view thereof.
FIG. 5 is a front elevation view thereof.
FIG. 6 is a rear elevation view thereof.
FIG. 7 is an isometric view thereof.
I claim: The ornamental design for a thumbscrew valve depressor, substantially as shown and described.
References Cited UNITED STATES PATENTS D. 191,425 9/1961 Popp D2338 WALLACE R. BURKE, Primary Examiner J. M. GANDY, Assistant Examiner
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