Solicitação de exame técnico
#4.1
10/17/1989
RPI 991
Application data
Number
PI8505897Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
S. F. (pessoa física)
SP, BR
Inventors
S. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/17/1989
RPI 991
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06/16/1987
RPI 869
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01/28/1986
RPI 797
#21.1
Patente extinta em 25/11/2000
07/15/2008
RPI 1958
#16.1
12/26/1990
RPI 1047
#13.1
09/04/1990
RPI 1031
#9.1
05/29/1990
RPI 1020
Same category
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