Concessão da patente
#16.1
11/26/1985
RPI 788
Application data
Number
PI8002365Type
Filing
Publication
The letters patent expired on 06/06/1995: 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: 11/26/1985. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações Brasileiras S/A-Telebrás
SP, BR
Inventors
D. V. (pessoa física)
Y. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/26/1985
RPI 788
#13.1
08/06/1985
RPI 772
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04/16/1985
RPI 756
#7.1
09/20/1983
RPI 674
#4.1
07/20/1982
RPI 613
#4.2
02/24/1982
RPI 592
#3.1
12/01/1981
RPI 580
#21.1
06/06/1995
RPI 1279
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