Solicitação de exame técnico
#4.1
11/21/1989
RPI 996
Application data
Number
PI8900431Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Laurenti Equipamentos Para Processamento De Dados Ltda
SP, BR
Inventors
A. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/21/1989
RPI 996
#3.2
06/06/1989
RPI 972
#2.1
03/28/1989
RPI 962
#21.1
Patente extinta em 01/02/2004
12/15/2009
RPI 2032
#16.1
05/25/1993
RPI 1173
#9.1
12/01/1992
RPI 1148
#15.11
08/11/1992
RPI 1132
#6.1
03/24/1992
RPI 1112
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.