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Patent
   D251830
Priority
Feb 17 1977
Filed
Feb 17 1977
Issued
May 15 1979
Expiry
May 15 1993
Inventors
Joslin, Ar…
Assg.orig
Hewlett-Pa…
Assg.curr
Hewlett-Pa…
Entity
unknown
Referenced by
4
References
3
Maint.:
n/a
The ornamental design for a surveying instrument, as shown.

FIG. 1 is a left front perspective view of a surveying instrument showing my new design;

FIG. 2 is a right rear perspective view thereof.
INVENTORS:

Joslin, Arnold L.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D257961, May 14 1979 CUBIC CORPORATION, 9333 BALBOA AVENUE, SAN DIEGO, CA 92138-5587 A DE CORP Electronic surveying instrument or the like
D834970, Mar 03 2017 Surveying instrument
D835532, Mar 03 2017 Surveying instrument
D901315, Dec 25 2018 Surveying instrument
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3433571,
162370,
235525,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 17 1977Hewlett-Packard Company(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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