Pedido de licença compulsória
#20.1
10/08/1985
RPI 781
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: 10/08/1985. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
10/08/1985
RPI 781
#16.1
02/26/1985
RPI 749
#13.1
10/02/1984
RPI 728
07/24/1984
RPI 718
#9.1
06/12/1984
RPI 712
#6.1
10/25/1983
RPI 679
#7.1
04/05/1983
RPI 650
#4.1
07/27/1982
RPI 614
#3.1
03/02/1982
RPI 593
#21.1
12/07/1993
RPI 1201
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