Concessão da patente
#16.1
02/04/1986
RPI 798
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: 02/04/1986. We update with every new RPI gazette, published weekly.
Applicants
W. J. (pessoa física)
RJ, BR
Inventors
M. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/04/1986
RPI 798
#13.1
09/24/1985
RPI 779
#9.1
06/11/1985
RPI 764
#6.1
07/31/1984
RPI 719
#7.1
08/30/1983
RPI 671
#4.1
01/25/1983
RPI 640
#3.1
07/06/1982
RPI 611
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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