Pedido de patente depositado
#2.1
10/25/1988
RPI 940
Application data
Number
PI8802411Type
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: 10/25/1988. We update with every new RPI gazette, published weekly.
Applicants
Praxair Surface Technologies do Brasil Ltda
PR, BR
Rolmaster Industrial Ltda
PR, BR
Rolmaster Técnica Industrial de Cilindros Ltda
PR, BR
Inventors
T. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/25/1988
RPI 940
#21.1
Patente extinta em 11/05/2003
09/02/2008
RPI 1965
#25.4
Alterado de: Rolmaster Industrial Ltda.
06/22/1999
RPI 1485
#16.1
05/26/1992
RPI 1121
#15.11
11/26/1991
RPI 1095
#13.1
10/15/1991
RPI 1089
#9.1
06/18/1991
RPI 1072
#4.1
10/09/1990
RPI 1036
#3.1
01/02/1990
RPI 1000
From the same holder
Same category
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