Solicitação de exame técnico
#4.1
09/19/1989
RPI 987
The letters patent expired on 09/25/2001: 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: 09/19/1989. We update with every new RPI gazette, published weekly.
Applicants
M. A. (pessoa física)
SP, BR
Inventors
J. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/19/1989
RPI 987
#3.2
09/12/1989
RPI 986
#2.1
07/04/1989
RPI 976
#21.1
Patente extinta em 01/11/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
02/16/1994
RPI 1211
#13.1
11/16/1993
RPI 1198
#9.1
06/29/1993
RPI 1178
#6.1
09/22/1992
RPI 1138
#6.1
11/26/1991
RPI 1095
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.