320
08/13/1985
RPI 773
The letters patent expired on 06/21/1994: 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: 08/13/1985. We update with every new RPI gazette, published weekly.
Applicants
B. T. (pessoa física)
Inventors
H. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
08/13/1985
RPI 773
04/30/1985
RPI 758
01/08/1985
RPI 742
#17.1
05/22/1984
RPI 709
#16.1
11/29/1983
RPI 684
#13.1
09/06/1983
RPI 672
#9.1
04/19/1983
RPI 652
#6.1
08/17/1982
RPI 617
#21.1
06/21/1994
RPI 1229
From the same holder
Same category
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