201
04/22/1987
RPI 861
Application data
Number
PI8203015Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 04/22/1987. We update with every new RPI gazette, published weekly.
Applicants
Tecnal Tecnologia e Desenvolvimento Industrial S/C Ltda
RJ, BR
Inventors
S. T. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
04/22/1987
RPI 861
#17.1
12/02/1986
RPI 841
#16.1
10/01/1985
RPI 780
#9.1
04/16/1985
RPI 756
10/02/1984
RPI 728
09/25/1984
RPI 727
#4.1
06/19/1984
RPI 713
#3.1
01/03/1984
RPI 689
#2.1
07/13/1982
RPI 612
#21.1
Patente extinta em 24/05/97
07/01/2008
RPI 1956
05/31/1994
RPI 1226
Same category
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