Concessão da patente
#16.1
11/29/1983
RPI 684
The letters patent expired on 07/27/1993: 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: 11/29/1983. We update with every new RPI gazette, published weekly.
Applicants
HERCULES INC
Inventors
D. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1983
RPI 684
#13.1
09/27/1983
RPI 675
#9.1
05/31/1983
RPI 658
#15.11
01/11/1983
RPI 638
#6.1
09/28/1982
RPI 623
01/26/1982
RPI 588
#21.1
07/27/1993
RPI 1182
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.