Publicação antecipada
#3.2
09/26/1989
RPI 988
Application data
Number
PI8806971Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Universidade Estadual de Campinas - Unicamp
SP, BR
Inventors
M. A. (pessoa física)
BR
S. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.2
09/26/1989
RPI 988
#2.1
05/02/1989
RPI 967
#21.1
Patente extinta em 29/12/2003
09/02/2008
RPI 1965
#16.1
10/31/1995
RPI 1300
#13.1
06/20/1995
RPI 1281
#9.1
01/24/1995
RPI 1260
#6.1
07/05/1994
RPI 1231
#4.1
11/20/1990
RPI 1042
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.