Notificação para pagamento de retribuição
#13.1
06/22/1982
RPI 609
The letters patent expired on 11/30/1993: 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: 06/22/1982. We update with every new RPI gazette, published weekly.
Applicants
HOESCH WERKE AG
Inventors
No inventors listed.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
06/22/1982
RPI 609
#9.1
03/02/1982
RPI 593
#21.1
11/30/1993
RPI 1200
From the same holder
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