20.4
08/04/1987
RPI 876
The letters patent expired on 11/15/1994: 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: 08/04/1987. We update with every new RPI gazette, published weekly.
Applicants
MULTISERV IND & COMERCIO LTDA [BR]
Inventors
W. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
08/04/1987
RPI 876
#16.1
12/30/1986
RPI 845
#13.1
09/23/1986
RPI 831
#9.1
05/27/1986
RPI 814
08/27/1985
RPI 775
#6.1
05/07/1985
RPI 759
05/02/1984
RPI 706
#4.1
11/29/1983
RPI 684
#3.2
09/27/1983
RPI 675
#2.1
12/14/1982
RPI 634
#21.1
11/15/1994
RPI 1250
Same category
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