Anuidade - prazo legal encerrado
#18.2
06/21/1988
RPI 922
Application data
Number
PI8008525Type
Filing
Publication
The patent was granted on 12/26/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
NL INDUSTRIES INC [US]
Inventors
K. E. (pessoa física)
K. A. (pessoa física)
R. A. (pessoa física)
W. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#18.2
06/21/1988
RPI 922
#16.1
12/26/1984
RPI 740
#13.1
10/02/1984
RPI 728
#9.1
06/12/1984
RPI 712
#6.1
01/10/1984
RPI 690
#4.1
10/05/1982
RPI 624
#3.1
08/10/1982
RPI 616
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.