Concessão da patente
#16.1
08/29/1989
RPI 984
The letters patent expired on 12/07/1993: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
W. S. (pessoa física)
SP, BR
Inventors
W. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
#13.1
08/30/1988
RPI 932
07/05/1988
RPI 924
04/19/1988
RPI 913
#12.2
11/10/1987
RPI 890
#9.2
08/04/1987
RPI 876
#7.1
12/23/1986
RPI 844
#6.1
12/31/1985
RPI 793
#4.1
04/30/1985
RPI 758
#3.1
04/26/1983
RPI 653
#2.1
10/27/1981
RPI 575
#21.1
12/07/1993
RPI 1201
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