Pedido de licença compulsória
#20.1
10/06/1987
RPI 885
The letters patent expired on 11/22/1994: 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: 10/06/1987. We update with every new RPI gazette, published weekly.
Applicants
HEUCHERT KARL HEINRICH [BR]
Inventors
H. [. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
10/06/1987
RPI 885
#16.1
03/31/1987
RPI 858
#13.1
10/14/1986
RPI 834
06/03/1986
RPI 815
#12.1
02/18/1986
RPI 800
#9.1
11/26/1985
RPI 788
#6.1
05/21/1985
RPI 761
#4.1
07/17/1984
RPI 717
#3.1
08/23/1983
RPI 670
#2.1
01/12/1982
RPI 586
#21.1
11/22/1994
RPI 1251
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