Solicitação de exame técnico
#4.1
07/25/1989
RPI 979
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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
L. A. (pessoa física)
SP, BR
Inventors
A. A. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
07/25/1989
RPI 979
#3.2
07/11/1989
RPI 977
#2.1
04/18/1989
RPI 965
#21.1
Patente extinta em 22/03/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
10/25/1994
RPI 1247
#13.1
05/24/1994
RPI 1225
#9.1
02/01/1994
RPI 1209
05/26/1992
RPI 1121
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.