Pedido de licença compulsória
#20.1
12/26/1984
RPI 740
The letters patent expired on 12/07/1993: 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: 12/26/1984. We update with every new RPI gazette, published weekly.
Applicants
C. S. (pessoa física)
SP, BR
Inventors
D. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
12/26/1984
RPI 740
#16.1
05/29/1984
RPI 710
#13.1
02/07/1984
RPI 694
#9.1
10/25/1983
RPI 679
#15.11
07/26/1983
RPI 666
#6.1
05/31/1983
RPI 658
#4.1
07/06/1982
RPI 611
#3.1
10/13/1981
RPI 573
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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