Concessão da patente
#16.1
06/26/1984
RPI 714
Application data
Number
PI8006890Type
Filing
Publication
The letters patent expired on 11/14/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 06/26/1984. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações Brasileiras S/A - Telebrás
SP, BR
Inventors
F. B. (pessoa física)
Z. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/26/1984
RPI 714
#13.1
03/20/1984
RPI 700
#9.1
11/16/1983
RPI 682
#15.11
07/26/1983
RPI 666
#6.1
06/14/1983
RPI 660
#4.1
09/21/1982
RPI 622
#3.1
07/06/1982
RPI 611
#21.1
11/14/1995
RPI 1302
From the same holder
Same category
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