The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 30, 1976
Filed:
Sep. 19, 1975
Applicant:
Inventor:
William V Gurzenda, Rockwood, PA (US);
Assignee:
Rockwood Manufacturing Company, Rockwood, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05F / ; E05F / ;
U.S. Cl.
CPC ...
16 8 / ; 2410 / ; 24214 ; 248203 ; 403-9 ;
Abstract
A door bumper having no visible screws for mounting on a wall for contact with a door knob when the door is opened. A rubber bumper is carried on a housing which is non-detachably secured to the wall by a backplate. The backplate has a flattened V shaped spring with two radially outwardly extending ends which engage a circular notch extending around the inner periphery of the housing.