Concessão da patente
#16.1
06/28/1983
RPI 662
The letters patent expired on 07/27/1993: 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: 06/28/1983. We update with every new RPI gazette, published weekly.
Applicants
G. E. (pessoa física)
Inventors
G. J. (pessoa física)
H. W. (pessoa física)
K. A. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1983
RPI 662
#13.1
03/22/1983
RPI 648
#9.1
11/16/1982
RPI 630
#6.1
12/08/1981
RPI 581
#21.1
07/27/1993
RPI 1182
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