Ergonomic arm support for a chair

Koopman July 9, 1

Patent Grant D371474

U.S. patent number D371,474 [Application Number D/036,068] was granted by the patent office on 1996-07-09 for ergonomic arm support for a chair. This patent grant is currently assigned to Grahl Industries, Inc.. Invention is credited to Karl-Heinz Koopman.


United States Patent D371,474
Koopman July 9, 1996

Ergonomic arm support for a chair

Claims

The ornamental design for an ergonmic arm support for a chair, as shown and described.
Inventors: Koopman; Karl-Heinz (Steyerberg, DE)
Assignee: Grahl Industries, Inc. (Coldwater, MI)
Appl. No.: D/036,068
Filed: March 13, 1995

Current U.S. Class: D6/716.2; D6/366
Field of Search: ;D6/366,334,375-380,500,501,502 ;297/411.35,411.36,411.37,411.23,411.24,411.26,411.28 ;248/118,118.3

References Cited [Referenced By]

U.S. Patent Documents
D211461 June 1968 Walkinshaw
D277916 March 1985 Aronowitz et al.
D288872 March 1987 Schultz
D329770 September 1992 Grahl et al.
766484 August 1904 Armstrong
1527754 February 1925 Simon
2708899 May 1955 Rudolph
5382079 January 1995 Wilson et al.

Other References

Interiors, Apr. 1976, p. 7 See circled chair armrest, right center-Desk copy. .
Steelcase, "Criterion. The chair that works hard . . . " (pre Jan. 1991). .
Grahl, "The Innovative Company in Ergonomics" (1991). .
Neutral Posture Ergonomics (May 1991). .
The Chair Works, "An engineering Solution . . . " (pre Jan. 1992)..

Primary Examiner: Thompson; Martie
Attorney, Agent or Firm: Weiner, Carrier & Burt Burt; Pamela S. Weiner; Irving M.

Description



FIG. 1 is a front perspective view of the ergonomic arm support for a chair showing my new design, the broken line depiction of the chair being for llustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view of the ergonmic arm support;

FIG. 3 is a front elevational view of the ergonomic arm support;

FIG. 4 is a side elevational view of the ergonomic arm support in a first position;

FIG. 5 is a bottom view of the ergonomc arm support; and,

FIG. 6 is a side elevational view of the ergonomic arm support in a second position.

* * * * *


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