Concessão da patente
#16.1
05/28/1985
RPI 762
Application data
Number
PI8005838Type
Filing
Publication
The letters patent expired on 11/07/1995: 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: 05/28/1985. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações Brasileiras S/A - Telebrás
SP, BR
Inventors
B. E. (pessoa física)
B. P. (pessoa física)
F. J. (pessoa física)
R. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/28/1985
RPI 762
#13.1
02/20/1985
RPI 748
#9.1
10/09/1984
RPI 729
#6.1
05/08/1984
RPI 707
#6.1
09/13/1983
RPI 673
#6.1
04/12/1983
RPI 651
#4.1
08/10/1982
RPI 616
#3.1
05/18/1982
RPI 604
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: G02F 2/00; G02B 6/35; H04B 10/16.
03/27/2018
RPI 2464
#15.11
12/22/2009
RPI 2033
#21.1
11/07/1995
RPI 1301
From the same holder
Same category
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