Concessão da patente
#16.1
01/31/1984
RPI 693
The letters patent expired on 05/24/1994: 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: 01/31/1984. We update with every new RPI gazette, published weekly.
Applicants
W. P. (pessoa física)
Inventors
F. R. (pessoa física)
L. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/31/1984
RPI 693
#13.1
11/22/1983
RPI 683
#9.1
08/02/1983
RPI 667
#6.1
10/19/1982
RPI 626
#4.1
03/16/1982
RPI 595
#21.1
05/24/1994
RPI 1225
From the same holder
Same category
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