Concessão da patente
#16.1
07/31/1984
RPI 719
The letters patent expired on 05/31/1994: 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: 07/31/1984. We update with every new RPI gazette, published weekly.
Applicants
H. E. (pessoa física)
Inventors
H. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/31/1984
RPI 719
#13.1
05/22/1984
RPI 709
#9.1
02/07/1984
RPI 694
10/11/1983
RPI 677
#6.1
01/11/1983
RPI 638
#6.1
06/15/1982
RPI 608
#21.1
05/31/1994
RPI 1226
Same category
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