Publicação do pedido de patente
#3.1
11/07/1989
RPI 994
Application data
Number
PI8901320Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 11/07/1989. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
US
Armco Inc
US
Inventors
D. M. (pessoa física)
US
J. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/07/1989
RPI 994
#2.1
05/09/1989
RPI 968
#21.1
Patente extinta em 21/03/2009
12/18/2012
RPI 2189
#16.1
08/25/1998
RPI 1444
#9.1
08/26/1997
RPI 1395
#6.1
08/13/1996
RPI 1341
03/16/1993
RPI 1163
#4.1
07/30/1991
RPI 1078
From the same holder
Same category
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