Bracket Patent

Reprinted from "INSULATORS - Crown Jewels of the Wire", January 1974, page 21

Dear Dora:

Enclosed is a print (next page) of patent number 436,120, Sept. 9, 1890 for the Chubbuck insulator bracket, page 23 of August Crown Jewels. It's a bit hard to find the patent when the stated year is 10 years off. Presume date and name hard to make out on the specimen.

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486,120. INSULATOR- BRACKET H. EUGENE CHUBBUCK Springfield, Ohio. Filed Nov. 4, 1889. Serial No. 329,248. (No model.)

Claim-1 An insulator-bracket, substantially as described, having a screw-threaded projecting arm formed of resilient material and provided with slotted openings extending through the walls of said screw-threaded portion, substantially as described.

2 An insulator-bracket substantially as described. having a base constructed with three slotted openings arranged in a triangular position, as and for the purpose specified.

3. An insulator-bracket formed in a single piece with a base having three slotted openings, as described. a screw-threaded projecting arm of resilient material formed with a chamber and slotted openings extending through the walls of said screw-threaded portion into said chamber, substantially as specified.