Solicitação de exame técnico
#4.1
12/29/1987
RPI 897
The letters patent expired on 09/18/2001: 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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
S. K. (pessoa física)
JP
Inventors
S. K. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/29/1987
RPI 897
#3.2
11/10/1987
RPI 890
#2.1
11/03/1987
RPI 889
#21.1
Patente extinta em 26/06/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
08/31/1993
RPI 1187
#13.1
07/13/1993
RPI 1180
#9.1
03/23/1993
RPI 1164
#6.1
06/23/1992
RPI 1125
12/11/1990
RPI 1045
#15.3
10/16/1990
RPI 1037
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.