USD232098S - Teaching aid for demonstrating principles in physics - Google Patents
Teaching aid for demonstrating principles in physics Download PDFInfo
- Publication number
- USD232098S USD232098S US D232098 S USD232098 S US D232098S
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- US
- United States
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- physics
- teaching aid
- demonstrating principles
- principles
- demonstrating
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Des. 232,098 Patented July 16, 1974 United States Patent 0 ce TEACHING AID FOR DEMONSTRATING PRINCIPLES IN PHYSICS John Lawlor, Tappan, N.Y., and John Sgombick, Ramsey, N.J., assignors to Xerox Corporation, Stamford, Conn. Filed Dec. 26, 1972, Ser. No. 318,312
Term of patent 14 years Int. Cl. D19-07 US. Cl. D251 R FIG.3
FIG. 2
Des 232,098
PAGE 2 FIG. 4
FIG. 5
FIG. '1 is a perspective view of a teaching aid for References Cited gf g l Principle} in Physics; UNITED STATES PATENTS 3 D.216,647 '2/1970 Valkinburgh D5210 R 415M013 View. 3,346,147 10/1967 Higgins et a1. 3260 FIG. 5 isafront view; OTHER REFERENCES FIG. 6 is a bottom view; and FIG 7 is a right Side View. Cenco Educatlonal Cat., 1969, p. 34, bottom, No.
We Claim 4505, spring balance.
The ornamental design for a teaching aid for demon- MELVIN FEIFER Primary Examiner strating principles in physics, substantially as shown.
Family
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