Pedido de licença compulsória
#20.1
04/05/1988
RPI 911
The letters patent expired on 11/15/1994: 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: 04/05/1988. We update with every new RPI gazette, published weekly.
Applicants
HENRIQUE EWALDO STREIBEL [BR]
RODOLFO EWALDO STREIBEL [BR]
Inventors
S. [. (pessoa física)
S. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
04/05/1988
RPI 911
#16.1
10/27/1987
RPI 888
#13.1
06/09/1987
RPI 868
#9.1
01/06/1987
RPI 846
#15.11
04/01/1986
RPI 806
#6.1
03/04/1986
RPI 802
#4.1
07/02/1985
RPI 767
#3.1
06/05/1984
RPI 711
#2.1
12/21/1982
RPI 635
#21.1
11/15/1994
RPI 1250
Same category
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