Concessão da patente
#16.1
07/25/1989
RPI 979
The letters patent expired on 11/22/1994: 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
Aliança Metalúrgica S/A
SP, BR
Inventors
A. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/25/1989
RPI 979
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01/10/1989
RPI 951
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09/27/1988
RPI 936
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03/01/1988
RPI 906
#4.1
02/10/1987
RPI 851
#3.1
06/03/1986
RPI 815
#2.1
01/22/1985
RPI 744
#21.1
11/22/1994
RPI 1251
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