Concessão da patente
#16.1
12/27/1983
RPI 688
The letters patent expired on 05/31/1994: 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: 12/27/1983. We update with every new RPI gazette, published weekly.
Applicants
DBA SA
Inventors
C. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1983
RPI 688
#13.1
09/27/1983
RPI 675
#9.1
05/10/1983
RPI 655
#4.1
08/17/1982
RPI 617
#21.1
05/31/1994
RPI 1226
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.