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Publication numberUSD210946 S
Publication typeGrant
Publication dateMay 7, 1968
Filing dateJan 23, 1967
Publication numberUS D210946 S, US D210946S, US-S-D210946, USD210946 S, USD210946S
InventorsJohn A. Cook
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Chalk trough for chalkboards or similar articles
US D210946 S
Images(1)
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Description  (OCR text may contain errors)

United States Patent 0 "h 210,946

Patented May 7, 1968 CHALK TROUGH FOR CHALKBOARDS OR SIMILAR ARTICLES John A. Cook, Montreal, Quebec, Canada, assignor to Vilas Industries Limited, Cowansville, Quebec, Canada Filed Jan. 23, 1967, Ser. No. 5,524

Claims priority, application Canada July 22, 1966 Term of patent 14 years (Cl. D25-1) b FIgURE 1 is an end view of a chalk trough for chalk- References Cited I oar s or simi ar articles according to my new design; S l

FIGURE 2 is a Vie 1 weets Architectural Catalogue File 1962 edition shown in FIGURE w m e evatlon of the chalk trough page 6, tl )w;e\r rl1lg ht C01'l1elc1llUSltIatiOI1 for a chalk troughi FIGURE 3 is a to la View f th h h wee s rc itectu-ra ata ogue File 1962 edition, shownin FIGURE g n 0 e c alk troug pfi i k boltltom of Page, lllustrations for #BB-831-H FIGURE 4 is a bottom plan view thereof. c a mug I claim:

ED The ornamental design for a chalk trough for chalk- WIN H HUNTER Primary Exammer' b d or i il articles, as shown NELSON C. HOLTJE, Assistant Examiner.