Deferimento
#9.1
09/12/1989
RPI 986
Application data
Number
PI8205027Type
Filing
Publication
The patent was granted on 03/20/1990 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: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
C. T. (pessoa física)
US
E. I. (pessoa física)
US
IPC Classification
Priority claims
US
297590 · 08/31/1981
US
297,808 · 08/31/1981
US
297808 · 08/31/1981
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
09/12/1989
RPI 986
#6.1
04/11/1989
RPI 964
#6.1
03/29/1988
RPI 910
#4.1
09/03/1985
RPI 776
#3.1
08/09/1983
RPI 668
#2.1
10/19/1982
RPI 626
#18.2
04/02/1996
RPI 1322
#16.1
03/20/1990
RPI 1010
#13.1
01/16/1990
RPI 1002
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.