Concessão da patente
#16.1
06/28/1983
RPI 662
The letters patent expired on 04/04/1995: 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: 06/28/1983. We update with every new RPI gazette, published weekly.
Applicants
HOLSTEIN & KAPPERT GMBH
Inventors
W. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1983
RPI 662
#13.1
01/25/1983
RPI 640
#9.1
09/21/1982
RPI 622
#6.1
04/06/1982
RPI 598
#21.1
04/04/1995
RPI 1270
From the same holder
Same category
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