Concessão da patente
#16.1
11/29/1983
RPI 684
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: 11/29/1983. We update with every new RPI gazette, published weekly.
Applicants
U. S. (pessoa física)
Inventors
U. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1983
RPI 684
#13.1
08/02/1983
RPI 667
#9.1
03/29/1983
RPI 649
#6.1
06/22/1982
RPI 609
#21.1
07/20/1993
RPI 1181
#20.1
10/09/1990
RPI 1036
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Same category
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