Patent
   D330211
Priority
Nov 07 1991
Filed
Nov 07 1991
Issued
Oct 13 1992
Expiry
Oct 13 2006
Assg.orig
Entity
unknown
4
6
n/a
The ornamental design for a door viewer, as shown.

FIG. 1 is a perspective view of a door viewer, showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

Degnan, Donald E.

Patent Priority Assignee Title
6779305, Apr 29 2002 Door viewer plug
D365833, May 02 1994 United States Marketing Corporation Door viewer
D390584, Apr 04 1997 Novelty interior security peephole cover
D881966, May 16 2018 Plasser & Theurer, Export von Bahnbaumaschinen, Gesellschaft m.b.H. Catadioptric reflector
Patent Priority Assignee Title
3973835, May 05 1975 RUDOLPH-DESCO CO INC Security viewing device
4050792, Mar 12 1975 Roger Ronny Jochen, Svensson Observation port assembly
4251127, Jun 15 1979 Wide-angle door viewer
4269474, Jan 31 1979 Wide-angle optical door viewer
4964711, Feb 09 1989 RUDOLPH-DESCO COMPANY, INC Viewing device
D310940, Dec 12 1988 Condiment turntable
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 31 1991DEGNAN, DONALD E RUDOLPH-DESCO CO , INC CORP OF NJASSIGNMENT OF ASSIGNORS INTEREST 0059080564 pdf
Nov 07 1991Rudolph-Desco Co., Ltd.(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule