USD204319S - Hollow corner prism - Google Patents
Hollow corner prism Download PDFInfo
- Publication number
- USD204319S USD204319S US D204319 S USD204319 S US D204319S
- Authority
- US
- United States
- Prior art keywords
- hollow corner
- corner prism
- prism
- hollow
- view
- Prior art date
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- 230000003287 optical Effects 0.000 description 2
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Description
6 H6 Q H M5 A D m United States Patent 0 "ice HOLLOW CORNER PRISM Donald E. Stewart, Arcadia, Calif., assignor to Electro- Optical Systems, Inc., Pasadena, Calif., a corporation of California Filed Nov. 6, 1964, Ser. No. 82,505
Term of patent 14 years (Cl. D571) 'FIG. 1 is a top plan view showing a new design for References Cited by the Examiner a hollow corner prism.
FIG. 2 is a side View of the prism shown in FIG. 1. UNITED STATES PATENTS FIG. 3 is a bottom view of the prism shown in FIG. 1; 2,063,930 12/1936 Hutafi at 88 82 2,818,500 12/1957 Franck 88-82 2,870,671 1/1959 Falconi 88-32 and FIG. 4 is a perspective view thereof. I claim:
FOREIGN PATENTS 3/ 1923 Great Britain.
The ornamental design for a hollow corner prism, as shown.
194,064 773,881 5/ 1957 Great Britain.
WALLACE R. BURKE, Primary Examiner.
BERNAIRD ANSI-DER, Assistant Examiner.
Family
ID=
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