Concessão da patente
#16.1
05/28/1985
RPI 762
The letters patent expired on 04/18/1995: 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
P. D. (pessoa física)
Inventors
D. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/28/1985
RPI 762
#13.1
04/23/1985
RPI 757
#9.1
01/02/1985
RPI 741
#6.1
07/03/1984
RPI 715
#6.1
11/22/1983
RPI 683
#4.1
05/17/1983
RPI 656
#21.1
04/18/1995
RPI 1272
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Same category
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