Concessão da patente
#16.1
03/31/1987
RPI 858
The letters patent expired on 09/27/1994: 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: 03/31/1987. We update with every new RPI gazette, published weekly.
Applicants
Wheaton Plásticos do Brasil S/A Indústria e Comércio
Inventors
C. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/31/1987
RPI 858
#13.1
09/23/1986
RPI 831
09/02/1986
RPI 828
#9.1
05/27/1986
RPI 814
#15.11
11/19/1985
RPI 787
#6.1
11/19/1985
RPI 787
#4.1
07/03/1984
RPI 715
#3.2
02/28/1984
RPI 697
#2.1
02/21/1984
RPI 696
#21.1
09/27/1994
RPI 1243
From the same holder
Same category
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