Concessão da patente
#16.1
05/29/1984
RPI 710
The letters patent expired on 05/03/1994: 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: 05/29/1984. We update with every new RPI gazette, published weekly.
Applicants
DU PONT
Inventors
K. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/29/1984
RPI 710
#13.1
02/07/1984
RPI 694
#9.1
10/25/1983
RPI 679
#6.1
06/22/1982
RPI 609
01/12/1982
RPI 586
#21.1
05/03/1994
RPI 1222
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.