Solicitação de exame técnico
#4.1
10/10/1989
RPI 990
Application data
Number
PI8600485Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 10/10/1989. We update with every new RPI gazette, published weekly.
Applicants
C. T. (pessoa física)
SP, BR
R. L. (pessoa física)
SP, BR
Inventors
C. T. (pessoa física)
BR
R. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/10/1989
RPI 990
#3.1
09/01/1987
RPI 880
#2.1
07/29/1986
RPI 823
#21.1
Patente extinta em 05/02/2001
07/22/2008
RPI 1959
#16.1
05/26/1992
RPI 1121
11/12/1991
RPI 1093
#13.1
04/16/1991
RPI 1063
#9.1
01/02/1991
RPI 1048
Same category
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