20.7
09/23/1986
RPI 831
The letters patent expired on 10/08/1996: 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: 09/23/1986. We update with every new RPI gazette, published weekly.
Applicants
Plávigor S/A Indústria e Comércio.
SP, BR
Inventors
B. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/23/1986
RPI 831
#16.1
07/30/1985
RPI 771
#13.1
04/23/1985
RPI 757
#9.1
01/02/1985
RPI 741
#6.1
07/03/1984
RPI 715
#6.1
02/07/1984
RPI 694
#4.1
01/12/1982
RPI 586
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B29D 7/02.
03/27/2018
RPI 2464
#21.1
10/08/1996
RPI 1349
01/28/1992
RPI 1104
#22.1
11/12/1991
RPI 1093
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