USD179942S - Doorknob - Google Patents
Doorknob Download PDFInfo
- Publication number
- USD179942S USD179942S US D179942 S USD179942 S US D179942S
- Authority
- US
- United States
- Prior art keywords
- doorknob
- door knob
- berkson
- thefile
- villanova
- Prior art date
Links
- 241000748245 Villanova Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
Images
Description
- D 179,942 O Patented M l. 26, 1957 DOORKNOB Glen Holland, Villanova, Pa., assignor to The Yale & Towne Manufacturing Company, Stamford, Conn., a corporation of Connecticut Application March 23, 1956, Serial No. 40,758
Term of patent 14 years (Cl. D50-3) Fig. 1 is a side elevational view of a door knob, show- References Cited in thefile of this patent F; f th f UNITED STATES PATENTS 1g. Is e ace View ereo' D, 85,559 Thomas Nov. 10, 1931 I claim: The ornamental design for a door knob, substantially as shown.
D. 114,630 Berkson May 9, 1939
Family
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