Concessão da patente
#16.1
05/28/1985
RPI 762
The letters patent expired on 11/30/1993: 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: 05/28/1985. We update with every new RPI gazette, published weekly.
Applicants
V. N. (pessoa física)
Inventors
V. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/28/1985
RPI 762
03/07/1984
RPI 698
#12.1
04/19/1983
RPI 652
#9.1
11/23/1982
RPI 631
#6.1
03/02/1982
RPI 593
#21.1
11/30/1993
RPI 1200
#20.1
10/09/1990
RPI 1036
Same category
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