Concessão da patente
#16.1
02/04/1986
RPI 798
The letters patent expired on 07/06/1993: 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: 02/04/1986. We update with every new RPI gazette, published weekly.
Applicants
HOOKER CHEMICALS PLASTICS CORP
Inventors
B. Y. (pessoa física)
R. S. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/04/1986
RPI 798
#13.1
11/12/1985
RPI 786
#9.1
07/09/1985
RPI 768
#6.1
10/09/1984
RPI 729
12/06/1983
RPI 685
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.