20.7
06/17/1986
RPI 817
The letters patent expired on 12/07/1993: 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: 06/17/1986. We update with every new RPI gazette, published weekly.
Applicants
CONTACT LENS COMERCIO DE LENTE
Inventors
S. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/17/1986
RPI 817
06/03/1986
RPI 815
#22.1
03/04/1986
RPI 802
02/18/1986
RPI 800
08/27/1985
RPI 775
#16.1
12/26/1984
RPI 740
#13.1
07/03/1984
RPI 715
#9.1
03/13/1984
RPI 699
#6.1
03/29/1983
RPI 649
#6.1
04/13/1982
RPI 599
#21.1
12/07/1993
RPI 1201
Same category
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