Concessão da patente
#16.1
09/29/1987
RPI 884
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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
VULCAN MATERIAL PLASTICO S A [BR]
Inventors
L. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1987
RPI 884
#13.1
08/11/1987
RPI 877
04/07/1987
RPI 859
#12.1
12/16/1986
RPI 843
#12.1
09/16/1986
RPI 830
#9.1
05/27/1986
RPI 814
#6.1
10/22/1985
RPI 783
#5.1
06/19/1984
RPI 713
#4.1
01/31/1984
RPI 693
#3.2
11/08/1983
RPI 681
#2.1
11/23/1982
RPI 631
#21.1
11/15/1994
RPI 1250
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