Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8406392Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Goema Engenharia Indústria e Comércio Ltda.
SP, BR
Inventors
W. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
#13.1
05/30/1989
RPI 971
#9.1
01/17/1989
RPI 952
#4.1
09/15/1987
RPI 882
#3.1
06/24/1986
RPI 818
#2.1
03/05/1985
RPI 750
#21.1
Patente extinta em 13/12/99
07/08/2008
RPI 1957
Same category
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