US SUPREME COURT DECISIONS
PHOENIX CASTER CO. V. SPIEGEL, 133 U. S. 360 (1890)
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Phoenix Caster Co. v. Spiegel, 133 U.S. 360 (1890)
Phoenix Caster Company v. Spiegel
No. 150
Argued December 10, 1889
Decided March 3, 1890
133 U.S. 360
APPEAL FROM THE CIRCUIT COURT OF THE UNITED
STATES FOR THE DISTRICT OF INDIANA
Syllabus
The claim of letters patent No. 190,151, granted May 1, 1877, to Alexander C. Martin, for an "improvement in furniture casters," namely,
"The floor wheels EE, the anti-friction pivot wheel F, the housing B, the elliptical housing opening, or its mechanical equivalent, and the rocker-formed collar bearing, or its mechanical equivalent, all combined so as to allow the floor wheel axis to oscillate horizontally, substantially as and for the purpose specified,"
