Pedido de patente depositado
#2.1
05/16/1989
RPI 969
Application data
Number
PI8901507Type
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: 05/16/1989. We update with every new RPI gazette, published weekly.
Applicants
Praxair Technology, Inc.
US
U. C. (pessoa física)
US
Inventors
H. C. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/16/1989
RPI 969
#21.1
Patente extinta em 31/03/2004
12/15/2009
RPI 2032
#20.1
10/25/1994
RPI 1247
10/18/1994
RPI 1246
#16.1
05/25/1993
RPI 1173
#15.11
12/08/1992
RPI 1149
#9.1
11/03/1992
RPI 1144
#4.1
10/22/1991
RPI 1090
#3.1
09/04/1990
RPI 1031
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