Solicitação de exame técnico
#4.1
11/22/1988
RPI 944
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: 11/22/1988. We update with every new RPI gazette, published weekly.
Applicants
M. A. (pessoa física)
SP, BR
Inventors
M. A. (pessoa física)
BR
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/22/1988
RPI 944
#3.2
11/10/1987
RPI 890
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: A47K 3/22; E03C 1/06; B05D 1/18.
03/27/2018
RPI 2464
#21.1
Patente extinta em 03/04/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
08/04/1992
RPI 1131
#13.1
01/07/1992
RPI 1101
#9.1
09/03/1991
RPI 1083
#6.1
02/19/1991
RPI 1055
#6.1
08/14/1990
RPI 1028
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.