Notificação para pagamento de retribuição
#13.1
07/06/1982
RPI 611
The letters patent expired on 12/14/1993: 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: 07/06/1982. We update with every new RPI gazette, published weekly.
Applicants
Imperial Chemical Industries Plc.
GB
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
07/06/1982
RPI 611
#9.1
03/16/1982
RPI 595
#21.1
12/14/1993
RPI 1202
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.