Night viewing device
US D228027 S
Description (OCR text may contain errors)
United States Patent 0 cc patented iil siiil l Donald T. Heckel, San Jose, William R. Hill. Campbell, and Robert H. Pfeifier, Ben Lomond, Calif., assignors to GTE Sylvania Incorporated Filed Apr. 22, 1971, Ser. No. 136,630
Term of patent 3 years Int. Cl. DIG-06 US. Cl. D571 E illlIlllllllllllllIlllllllllllllllllllllllli FIG. 1 is a perspective view of a night viewing device Referen e Cited showing delsign; h f UNITED STATES PATENTS FIG. 2 is a si e e evntion t ereo f D. 190,886 7/1961 Burlm et a] D571 E Ha 3 15 a p P View thereof taken on 11116 O 11 202,820 11/1965 Maguire D57 E f t D7 219,623 12/1970 Bushnell D571 E of121% 2.18 a front end view thereo aken on me 2,638,032 5/1953 Kieffer at a D57 1 E FIG. 5 is a rear end view thereof taken on line 55 of 3,688J22 8/1972 sam'nl et a] 250 213 VT v BERNARD ANSl-IER, Primary Examiner The ornamental deign for a night viewing device, as shown and described.