Conhecimento de parecer técnico
#7.1
05/30/1989
RPI 971
Application data
Number
PI8107422Type
Filing
Publication
The application was refused by the INPI on 04/10/1990. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
NL INDUSTRIES INC [US]
Inventors
F. M. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#7.1
05/30/1989
RPI 971
05/05/1987
RPI 863
#4.1
10/16/1984
RPI 730
#3.1
08/10/1982
RPI 616
#2.1
12/29/1981
RPI 584
#9.2
04/10/1990
RPI 1013
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.