Pedido de licença compulsória
#20.1
11/01/1983
RPI 680
The letters patent expired on 11/30/1993: 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: 11/01/1983. We update with every new RPI gazette, published weekly.
Applicants
C. P. (pessoa física)
Inventors
C. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
11/01/1983
RPI 680
#16.1
06/28/1983
RPI 662
#13.1
04/05/1983
RPI 650
11/30/1982
RPI 632
#12.1
06/15/1982
RPI 608
#9.1
02/24/1982
RPI 592
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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