Concessão da patente
#16.1
08/30/1983
RPI 671
The letters patent expired on 05/31/1994: 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: 08/30/1983. We update with every new RPI gazette, published weekly.
Applicants
FRINGS H GMBH & CO KG
Inventors
E. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1983
RPI 671
#13.1
06/14/1983
RPI 660
#9.1
02/16/1983
RPI 643
06/15/1982
RPI 608
#6.1
06/01/1982
RPI 606
#4.1
11/10/1981
RPI 577
#21.1
05/31/1994
RPI 1226
Same category
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