Solicitação de exame técnico
#4.1
05/16/1989
RPI 969
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: 05/16/1989. We update with every new RPI gazette, published weekly.
Applicants
Pirelli S/A.Cia. Industrial Brasileira
SP, BR
Inventors
A. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/16/1989
RPI 969
#3.2
10/25/1988
RPI 940
#2.1
07/19/1988
RPI 926
#21.1
Patente extinta em 16/12/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
05/25/1993
RPI 1173
03/09/1993
RPI 1162
#13.1
10/20/1992
RPI 1142
#9.1
05/26/1992
RPI 1121
#6.1
07/23/1991
RPI 1077
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.