USD227196S - Diving helmet - Google Patents
Diving helmet Download PDFInfo
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- USD227196S USD227196S US D227196 S USD227196 S US D227196S
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- diving helmet
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United States Patent 0 "ice 227,196
Patented June 12, 1973 DIVING HELMET Charles E. Griswold, Box 976, Seattle, Wash. 98111 Filed Dec. 23, 1971, Ser. No. 211,820
Term of patent 14 years Int. Cl. D2-03 U.S. Cl. D2232 FIG. 1 is a front perspective view of a diving helmet References Cited F g E Yz UNITED STATES PATENTS n v e FIG 3 Z f x f and D. 171,492 2/1954 Enckson et a1. D2232 FIG 4 is a top plan View. D. 214,862 8/1969 Jones 02-232 Parts of the design have been shaded for transparency, 1,595,908 8/1926 Mlner R 1 claim; 2,517,600 8/1950 Ruhl 28 anglazsgrirgleigental deslgn for a diving helmet, as shown LOIS S LANIER Primary Examiner
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