Concessão da patente
#16.1
04/24/1984
RPI 705
The letters patent expired on 07/20/1993: 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: 04/24/1984. We update with every new RPI gazette, published weekly.
Applicants
Aluminium Company Of America
US
Inventors
W. C. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/24/1984
RPI 705
#13.1
01/24/1984
RPI 692
#9.1
10/11/1983
RPI 677
#6.1
01/26/1982
RPI 588
#21.1
07/20/1993
RPI 1181
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