Anuidade - prazo legal encerrado
#18.2
11/17/1987
RPI 891
The patent was granted and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 11/17/1987. We update with every new RPI gazette, published weekly.
Applicants
DONALDSON CO INC
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#18.2
11/17/1987
RPI 891
06/05/1984
RPI 711
10/18/1983
RPI 678
#17.1
06/14/1983
RPI 660
#13.1
10/19/1982
RPI 626
08/10/1982
RPI 616
#12.1
10/27/1981
RPI 575
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.