Notificação para pagamento de retribuição
#13.1
06/14/1983
RPI 660
The letters patent expired on 07/13/1993: 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: 06/14/1983. We update with every new RPI gazette, published weekly.
Applicants
DOW CHEMICAL CO
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
06/14/1983
RPI 660
#9.1
02/16/1983
RPI 643
#6.1
07/13/1982
RPI 612
#6.1
10/27/1981
RPI 575
#21.1
07/13/1993
RPI 1180
From the same holder
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