GRAHAM, Presiding Judge.
The appellant filed his application in the United States Patent Office for a patent upon certain improvements in floor scrapers. All his claims, nine in number, were rejected. Claims 1 and 2 are typical and are as follows:
"1. A moulding scraper comprising a cup-shaped blade having a cutting edge and a handle secured to the outer face of the blade at the apex thereof.
"2. A moulding scraper comprising a cup-shaped blade having...
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