201
12/30/1986
RPI 845
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: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants
D. M. (pessoa física)
SP, BR
Inventors
M. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
12/30/1986
RPI 845
#22.1
07/15/1986
RPI 821
#17.1
05/27/1986
RPI 814
#16.1
03/26/1985
RPI 753
12/11/1984
RPI 738
08/28/1984
RPI 723
#12.1
01/17/1984
RPI 691
#9.1
09/27/1983
RPI 675
#6.1
05/03/1983
RPI 654
08/17/1982
RPI 617
#6.1
08/03/1982
RPI 615
#21.1
12/07/1993
RPI 1201
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Same category
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