110
11/14/1989
RPI 995
The letters patent expired on 09/17/1996: 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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Sweda Sistemas Eletrônicos da Amazônia Ltda.
AM, BR
Inventors
W. T. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/14/1989
RPI 995
#12.1
05/16/1989
RPI 969
#9.1
01/24/1989
RPI 953
#4.1
12/16/1986
RPI 843
#3.2
10/14/1986
RPI 834
#2.1
10/07/1986
RPI 833
#21.1
09/17/1996
RPI 1346
#20.1
04/13/1993
RPI 1167
#16.1
04/24/1990
RPI 1015
#13.1
01/23/1990
RPI 1003
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Same category
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