Concessão da patente
#16.1
08/30/1988
RPI 932
Application data
Number
PI8200855Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
G. R. (pessoa física)
I. C. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1988
RPI 932
#13.1
06/07/1988
RPI 920
#9.1
02/09/1988
RPI 903
#6.1
09/01/1987
RPI 880
02/24/1987
RPI 853
01/06/1987
RPI 846
#7.1
12/17/1985
RPI 791
#6.1
12/04/1984
RPI 737
#4.1
01/10/1984
RPI 690
#3.1
10/18/1983
RPI 678
#2.1
04/06/1982
RPI 598
#21.1
Patente extinta em 17/02/97
07/01/2008
RPI 1956
#22.1
08/08/1995
RPI 1288
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.