Solicitação de exame técnico
#4.1
05/23/1989
RPI 970
Application data
Number
PI8803915Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 05/23/1989. We update with every new RPI gazette, published weekly.
Applicants
Y. C. (pessoa física)
JP
Y. K. (pessoa física)
JP
Inventors
I. K. (pessoa física)
JP
T. S. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/23/1989
RPI 970
#3.1
02/28/1989
RPI 958
#2.1
01/10/1989
RPI 951
#21.1
Patente extinta em 11/07/2003
09/02/2008
RPI 1965
08/29/1995
RPI 1291
#16.1
10/25/1994
RPI 1247
#9.1
04/12/1994
RPI 1219
07/20/1993
RPI 1181
11/12/1991
RPI 1093
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