6.2
05/30/1989
RPI 971
Application data
Number
PI8502872Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
Messer Griesheim GmbH
DE
Inventors
D. L. (pessoa física)
DE
E. W. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
05/30/1989
RPI 971
#4.1
10/13/1987
RPI 886
#3.1
02/25/1986
RPI 801
#2.1
09/03/1985
RPI 776
#21.1
Patente extinta em 17/06/2000
07/15/2008
RPI 1958
#16.1
07/30/1991
RPI 1078
#13.1
03/19/1991
RPI 1059
#9.1
12/04/1990
RPI 1044
#6.1
05/22/1990
RPI 1019
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Same category
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