Pedido de licença compulsória
#20.1
09/23/1986
RPI 831
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: 09/23/1986. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
SP, BR
Inventors
D. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
09/23/1986
RPI 831
#16.1
02/26/1985
RPI 749
#13.1
10/02/1984
RPI 728
#9.1
06/12/1984
RPI 712
#7.1
11/22/1983
RPI 683
#4.1
02/16/1983
RPI 643
#3.2
08/17/1982
RPI 617
#2.1
04/27/1982
RPI 601
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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