Door exit device

Cohrs, Jr. , et al. September 28, 2

Patent Grant D496577

U.S. patent number D496,577 [Application Number D/166,609] was granted by the patent office on 2004-09-28 for door exit device. This patent grant is currently assigned to Dor-O-Matic, Inc.. Invention is credited to Eric K. Arthur, Marlin Austin, Richard Bettin Cohrs, Jr., Loren D. Mueller.


United States Patent D496,577
Cohrs, Jr. ,   et al. September 28, 2004

Door exit device

Claims

We claim the ornamental design for a door exit device, as shown and described.
Inventors: Cohrs, Jr.; Richard Bettin (New Palestine, IN), Arthur; Eric K. (Brownsburg, IN), Austin; Marlin (Speedway, IN), Mueller; Loren D. (Indianapolis, IN)
Assignee: Dor-O-Matic, Inc. (Harwood Heights, IL)
Appl. No.: D/166,609
Filed: August 30, 2002

Current U.S. Class: D8/321
Current International Class: 0806
Field of Search: ;D8/321,300,301,302 ;292/92,93,94,DIG.54,347,DIG.65 ;70/92

References Cited [Referenced By]

U.S. Patent Documents
3582122 June 1971 Foster et al.
3614145 October 1971 Zawadzki
3663047 May 1972 Zawadzki
3730574 May 1973 Zawadzki
3767238 October 1973 Zawadzki
3854763 December 1974 Zawadzki et al.
4083590 April 1978 Folger
4167280 September 1979 Godec et al.
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4458928 July 1984 Hirschbein
4488378 December 1984 Symon
4624120 November 1986 Hoffman et al.
4741563 May 1988 Cohrs
4839988 June 1989 Betts et al.
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5011199 April 1991 Lowe et al.
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Other References

Dor-O-Matic 1390 Series Mid-Panel Concealed Vertical Rod Exit Device General information, dated Mar. 1989. .
NT Dor-O-Matic Greendale 1390 Mid-Panel Exit Device Parts List, Field Disassembly, and Reassembly Manual "Front Load", dated Jan. 1997. .
Kawneer Installation Paneline/Panic Guard Exit Device Service & Adjustment Instructions, dated Feb. 1997. .
Dor-O-Matic Exit Device Condensed Catalog, pp. 1-6, dated Feb. 2002. .
Von Duprin Inpact 94 and 95 Series Exit Devices with a copyright date of 2000..

Primary Examiner: Greene; Paula A.
Attorney, Agent or Firm: Michael Best & Friedrich LLP

Description



FIG. 1 is a front perspective view illustrating a door exit device.

FIG. 2 is front view illustrating the design shown in FIG. 1.

FIG. 3 is a bottom view illustrating the design shown in FIG. 1; and,

FIG. 4 is a side view illustrating the left side of the design shown in FIG. 1.

The broken line showing of the environment is for illustrative purposes only and forms no part of the claimed design. The broken lines which define the boundaries of the claimed design form no part thereof.

* * * * *


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