Legal Opinion
Crabbs v. Wardell
Court of Appeals for the D.C. Circuit
Decided May 2, 1927No. 1941PublishedCited by 4 opinions
1Opinion of the Court
MARTIN, Chief Justice.
Appeal from an award of priority in an interference proceeding.
The invention relates to so-called ready to lay or prepared roofing, constructed of a sheet or body layer composed of mixed asbestos fiber and cattle hair impregnated with an as-phaltic waterproofing compound, a layer of adhesive asphalt covering one side of the sheet, together with a layer of grit adhering thereto. The asbestos possesses the quality of resisting fire and heat, and the cattle hair admixed with it aids in the absorption of the waterproofing compound.
The two counts of the issue read as follows:
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2Cases cited3 opinions
- Fageol v. LyonDistrict Court, District of Columbia · 1923
- Hadley v. EllisCourt of Appeals for the D.C. Circuit · 1919
- Mock v. JohnsonDistrict Court, District of Columbia · 1923
3Cited by4 opinions
- Uihlein v. General Electric Co.Court of Appeals for the Seventh Circuit · 1931
- Kruger v. ResnickCourt of Customs and Patent Appeals · 1952
- Brydle v. HonigbaumCourt of Customs and Patent Appeals · 1931
- Brydle v. HonigbaumCourt of Customs and Patent Appeals · 1931