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Patent
   D249789
Priority
Mar 31 1977
Filed
Mar 31 1977
Issued
Oct 03 1978
Expiry
Oct 03 1992
Inventors
DeLuca, Pa…
Assg.orig
Porta Syst…
Assg.curr
Porta Syst…
Entity
unknown
Referenced by
7
References
5
Maint.:
n/a
The ornamental design for a telephone connector block, substantially as shown.

FIG. 1 is a front view in perspective of a telephone connector block showing my new design; and

FIG. 2 is a rear view in perspective, thereof.
INVENTORS:

DeLuca, Paul V.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D276333, Jul 12 1982 Porta Systems Corp. Telephone transfer relay unit
D276426, Jul 29 1982 Porta Systems Corp. Demarcation telephone protector block
D289636, Aug 20 1984 Frame for telephone wire terminal blocks
D315566, Jan 15 1988 Porta Systems Corp. Telephone circuit connecting device
D664544, Jul 20 2010 Cisco Technology, Inc. Router interface card
D879767, May 30 2017 KOHOKU KOGYO CO., LTD. Optical communication module
D879768, May 30 2017 KOHOKU KOGYO CP., LTD. Optical communication module
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2107751,
3296362,
3343120,
3560632,
213697,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 31 1977Porta Systems Corp.(assignment on the face of the patent)
Jun 24 1993PORTA SYSTEMSChemical BankSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0066800415 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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