16.3
08/30/1983
RPI 671
The letters patent expired on 06/21/1994: 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: 08/30/1983. We update with every new RPI gazette, published weekly.
Applicants
PETRI AG
Inventors
H. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
08/30/1983
RPI 671
#16.1
05/31/1983
RPI 658
#9.1
08/10/1982
RPI 616
#4.1
01/12/1982
RPI 586
#21.1
06/21/1994
RPI 1229
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.