USD231487S - Hand operated injection molding instructional device - Google Patents
Hand operated injection molding instructional device Download PDFInfo
- Publication number
- USD231487S USD231487S US D231487 S USD231487 S US D231487S
- Authority
- US
- United States
- Prior art keywords
- injection molding
- hand operated
- instructional device
- operated injection
- instructional
- Prior art date
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- 238000001746 injection moulding Methods 0.000 title description 8
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Description
United States Patent 0 Des. 231,487 Patented Apr. 23, 1974 HAND OPERATED INJECTION MOLDING INSTRUCTIONAL DEVICE Francis Paul Pracilio, 996 Grant Ave., Pelham Manor, NY. 10803 Filed July 28, 1972, Ser. No. 276,060
Term of patent 14 years Int. Cl. DIS-09 US. Cl. D548 FIG. 1 is a perspective view of a hand operated injection molding instructional device showing my new design;
FIG. 2 is a rear elevational view thereof; and
FIG. 3 is a perspective view thereof looking from the opposite side from FIG. 1.
I claim:
The ornamental design for a hand operated injection molding instructional device, substantially as shown.
References Cited UNITED STATES PATENTS D. 129,898 10/1941 Demkier et a1 D5 48 WALLACE R. BURKE, Primary Examiner A. P. DOUGLAS, Assistant Examiner
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