14.1
10/04/1988
RPI 937
Application data
Number
PI8600771Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 10/04/1988. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
US
Armco, Inc.
US
Inventors
J. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
10/04/1988
RPI 937
#4.1
04/28/1987
RPI 862
#3.1
11/04/1986
RPI 837
#2.1
08/12/1986
RPI 825
#21.1
Patente extinta em 24/02/2001
07/22/2008
RPI 1959
#16.1
11/29/1994
RPI 1252
#13.1
10/18/1994
RPI 1246
#9.1
06/14/1994
RPI 1228
#6.1
09/28/1993
RPI 1191
#6.1
10/27/1992
RPI 1143
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