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How to obtain a patent and what to invent (1918)

Talbert & Talbert. [from old catalog] · Washington, D.C., Talbert & Talbert · leaf 56

An illustration from How to obtain a patent and what to invent, 1918, leaf 56
Reproductions of a Few Well-Known Trade Marks 56 Talbert & Talbert Trade-Mark Must be Used Continuously A trade-mark is good only so long as it is used, and it mustbe used continuously by the owner in business, and the ownermust have for sale the goods bearing the mark. Copyrights The author,…

Patents

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