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Patent
   D274045
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
13
Maint.:
n/a
The ornamental design for an attitude 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
2821695,
4326189, Apr 23 1979 Aircraft control/guidance display and mechanism for enroute and landing utility
170183,
179443,
180812,
190763,
190968,
205791,
D256678, May 22 1978 Rockwell International Corporation Attitude director indicator
ER6557,
FR1094398,
FR1335741,
IT580671,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 03 1981SCHMIDT, DONALD F , AND DORIS R KNEMEYER, COMMISSIONERS TO TRANSFER ASSETS OF SIEGFRIED KNEMEYER DEC D Rockwell International CorporationASSIGNMENT OF ASSIGNORS INTEREST 0040070168 pdf
Jan 27 1982Rockwell International Corporation(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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