EVANS, Circuit Judge.
Patent No. 1,473,694, issued November 13, 1923, to Gerald Barry, covering a "Metal Wheel," is the subject of this litigation. Claims 2, 4, 5, and 7 are involved. Claim 2, which is typical, reads:
"2. In a wheel of the character described, the hollow metal units, each comprising a sector of the supporting structure between the hub and rim members, formed from a single metal blank, substantially as shown and described."
Assuming...
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