Legal Opinion
Marshall v. Pettingell-Andrews Co.
Court of Appeals for the First Circuit
Decided September 25, 1908No. 754PublishedCited by 4 opinions
Appeal from the Circuit Court of the United States for the District of Massachusetts.
1Opinion of the Court
COLT, Circuit Judge.
The Marshall patent, No. 784,695, issued March 14, 1905, is for an insulating lining for the outer metallic shell of an incandescent lamp socket. Prior insulating linings were made of hard fiber. The Marshall lining is made of paper.
The present bill is brought for infringement of claims 5 and 9 of the Marshall patent:
“(5) An insulating-lining consisting of a paper tube having its diameter reduced for a portion of its length, substantially as described.”
“(9) The combination with a metallic shell, of an insulating-sleeve consisting of an elastic, compressible paper, tube…
2Cited by4 opinions
- Great Northern Ry. Co. v. General Railway Signal Co.Court of Appeals for the Eighth Circuit · 1932
- Marshall v. Bryant Electric Co.Court of Appeals for the First Circuit · 1911
- Bryant Electric Co. v. MarshallU.S. Circuit Court for the District of Massachusetts · 1909
- Marshall v. WirtCourt of Appeals for the First Circuit · 1916