Patent
   D316824
Priority
Oct 19 1987
Filed
Oct 19 1987
Issued
May 14 1991
Expiry
May 14 2005
Assg.orig
Entity
unknown
4
2
n/a
The ornamental design for a telephone line tester, as shown.

FIG. 1 is a top, front, and right side perspective view of a telephone line tester showing our new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a front elevational view;

FIG. 5 is a right side elevational view; and

FIG. 6 is a bottom plan view thereof.

Grafton, Charles E., Sohay, Leslie I.

Patent Priority Assignee Title
D332575, Aug 29 1991 KURTH, MICHAEL Electronic test set for telecommunications, alarm system, and circuit testing
D345516, Jun 25 1992 Housing for cable checker
D352251, Dec 08 1992 Tektronix, Inc. Test signal generator
D661209, May 26 2010 Fluke Corporation Phone test set
Patent Priority Assignee Title
D292493, May 17 1985 John Fluke Mfg., Co., Inc. Digital electronic thermometer or similar article
D292494, May 17 1985 John Fluke Mfg. Co., Inc. Digital electronic thermometer or similar article
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 19 1987Harris Corporation(assignment on the face of the patent)
Dec 03 1987SOHAY, LESLIE I HARRIS CORPORATION, 1025 WEST NASA BOULEVARD MELBOURNE, FLORIDA 32919ASSIGNMENT OF ASSIGNORS INTEREST 0048150716 pdf
Dec 03 1987GRAFTON, CHARLES E HARRIS CORPORATION, 1025 WEST NASA BOULEVARD MELBOURNE, FLORIDA 32919ASSIGNMENT OF ASSIGNORS INTEREST 0048150716 pdf
May 06 2005Harris CorporationFluke CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0162740166 pdf
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