Concessão da patente
#16.1
02/28/1989
RPI 958
Application data
Number
PI8400866Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
A. L. (pessoa física)
L. B. (pessoa física)
L. (pessoa física)
R. F. (pessoa física)
S. D. (pessoa física)
W. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1989
RPI 958
#13.1
09/06/1988
RPI 933
#9.1
05/17/1988
RPI 917
#4.1
03/18/1986
RPI 804
11/19/1985
RPI 787
#3.1
10/01/1985
RPI 780
#2.1
06/05/1984
RPI 711
#21.1
Patente extinta em 24/02/99
07/08/2008
RPI 1957
#22.1
08/08/1995
RPI 1288
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.