320
02/18/1986
RPI 800
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: 02/18/1986. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
02/18/1986
RPI 800
08/20/1985
RPI 774
04/30/1985
RPI 758
#17.1
12/26/1984
RPI 740
#16.1
12/27/1983
RPI 688
07/19/1983
RPI 665
#12.1
03/02/1982
RPI 593
#21.1
07/27/1993
RPI 1182
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Same category
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