USD208677S - Air curtain - Google Patents
Air curtain Download PDFInfo
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- USD208677S USD208677S US D208677 S USD208677 S US D208677S
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- United States
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- air curtain
- united states
- curtain
- air
- view
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Desi 298,677
Patented Sept. 19, 1967 United States Patent Ofice AIR CURTAIN Herman M. Melzer, McKeesport, Pa.
(302 4th St, Charleroi, Pa.
Filed May 14, 1965, Ser. No. 85,284
Term of patent 7 years (Cl. Del-4) FIG. 1 is an isometric view of an air curtain showing my new design;
FIG. 2 is a top plan view thereof. The rear of the air curtain is plane and unornarnented.
I claim:
The ornamental design for an air curtain, as shown and described.
FIG. I
Reierences Cited UNITED STATES- PATENTS D. 193,160 7/1962 Zeiler D62-4 3,190,207 6/1965 Weisz 98-36 WALLACE R. BURKE, Primary Examiner. WILLIAM C. WATSON, Assistant Examiner.
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