USD187967S - Tube furnace - Google Patents

Tube furnace Download PDF

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Publication number
USD187967S
USD187967S US D187967 S USD187967 S US D187967S
Authority
US
United States
Prior art keywords
tube furnace
foxboro
mass
showing
view
Prior art date
Application number
Inventor
Percival B. Crocker
Original Assignee
The Sentry Company
Filing date
Publication date

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Des. 187,967 Patented May 17, 1960 United States Patent ()fiice TUBE FURNACE Percival B. Crocke r, Foxboro, Mass., assignor to The Sentry Company, Foxboro, Mass., a corporation of Massachusetts Application January 8, 1960, Serial No. 58,966
Term of patent 14 years (Cl. D811) Fig. 1 is a front perspective view showing the right side of a tube furnace embodying my new I claim: design; and The ornamental design for a tube furnace, substantially Fig. 2 is a front perspective view showing the left side as shown and described. thereof.
y a mirror image of References Cited in the file of this patent The rear not shown is substantiall the front shown.

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