18.8
08/30/1988
RPI 932
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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
PLP-Produtos para Linhas Preformados Ltda
SP, BR
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
08/30/1988
RPI 932
#18.2
07/12/1988
RPI 925
#16.1
01/26/1988
RPI 901
#13.1
11/10/1987
RPI 890
#9.1
07/14/1987
RPI 873
10/29/1986
RPI 836
#6.1
12/24/1985
RPI 792
#15.11
01/08/1985
RPI 742
#7.1
09/25/1984
RPI 727
#4.1
10/11/1983
RPI 677
#3.1
06/21/1983
RPI 661
#2.1
12/29/1981
RPI 584
#21.1
12/07/1993
RPI 1201
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