Concessão da patente
#16.1
08/29/1989
RPI 984
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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
D.F. Vasconcellos S/A Óptica e Mecânica de Alta Precisão
SP, BR
Inventors
D. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
#13.1
01/24/1989
RPI 953
#9.1
10/04/1988
RPI 937
08/09/1988
RPI 929
#6.1
12/22/1987
RPI 896
#7.1
10/07/1986
RPI 833
#4.1
06/11/1985
RPI 764
#3.1
10/16/1984
RPI 730
#2.1
05/03/1983
RPI 654
#21.1
12/07/1993
RPI 1201
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