Solicitação de exame técnico
#4.1
05/12/1987
RPI 864
Application data
Number
PI8603057Type
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: 05/12/1987. We update with every new RPI gazette, published weekly.
Applicants
Y. C. (pessoa física)
JP
Y. K. (pessoa física)
JP
Inventors
Y. H. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/12/1987
RPI 864
#3.1
02/17/1987
RPI 852
#2.1
12/16/1986
RPI 843
#21.1
Patente extinta em 19/06/2001
07/22/2008
RPI 1959
09/19/1995
RPI 1294
#16.1
03/29/1994
RPI 1217
#9.1
09/21/1993
RPI 1190
#6.1
11/17/1992
RPI 1146
11/12/1991
RPI 1093
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.