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Patent
   D274046
Priority
Jan 27 1982
Filed
Jan 27 1982
Issued
May 29 1984
Expiry
May 29 1998
Inventors
Schmidt, D…
Assg.orig
Rockwell I…
Assg.curr
Rockwell I…
Entity
unknown
Referenced by
0
References
14
Maint.:
n/a
The ornamental design for an attitutde director indicator, as shown and described.

FIG. 1 is a front elevational view of an attitude director indicator showing our new design;

FIG. 2 is a typical side elevational view thereof, the broken-line showing of the instrument housing being environmental and forming no part of the claimed design.

The drawing is lined to indicate contrasting colors. The rear of the indicator not shown, is substantially plain and unornamented.
INVENTORS:

Schmidt, Donald F., Knemeyer, deceased, Siegfried

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2027808,
2821695,
3525159,
3967236, Mar 29 1974 Honeywell INC Command cue for a flight director instrument
4044975, May 17 1976 McDonnell Douglas Corporation Aircraft speed command system
4138661, Oct 07 1976 Litton Systems, Inc. Attitude indicator having expanded scale
179443,
194191,
205791,
237594,
D256678, May 22 1978 Rockwell International Corporation Attitude director indicator
FR1094398,
FR1335741,
IT580671,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 22 1981KNEMEYER, DORIS R , COMMISSIONER OF THE ESTATE OF SIEGFRIED KNEMEYER, DEC D KNEMEYER, DORIS R LETTERS OF TESTAMENTARY SEE DOCUMENT FOR DETAILS 0039660393 pdf
Jan 27 1982Rockwell International Corporation(assignment on the face of the patent)
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