USD220818S - Cassette for a sound slide projector - Google Patents
Cassette for a sound slide projector Download PDFInfo
- Publication number
- USD220818S USD220818S US D220818 S USD220818 S US D220818S
- Authority
- US
- United States
- Prior art keywords
- cassette
- slide projector
- sound slide
- sound
- projector
- Prior art date
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- 102220173090 rs886048658 Human genes 0.000 description 2
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Description
United States Patent 0 Des. 229,81
Patented May 25, 1971 CASSETTE FOR A SOUND SLIDE PROJECTOR William Castedello, Plainville, Conm, assignor to The Kalart Company Inc., Plainville, Conn.
Filed Sept. 30, 1969, Ser. No. 19,347
Term of patent 14 years Int. Cl. D16=99; D14-01 US. Cl. D2614 FIG. I
FIG. 3
, Fl. 5 FIG. 6
FIG. 4
References Cited UNITED STATES PATENTS D. 164,901 10/1951 Cassidy et a1. D6ll D. 206,719 1/1967 Dietrich D26-14 D. 217,298 4/1970 Ainslie et a1. D61-1 2,657,047 10/ 1953 Eddy.
3,349,454 10/1967 Thomson 40-152X BERNARD ANSHER, Primary Examiner
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