Concessão da patente
#16.1
10/29/1985
RPI 784
The letters patent expired on 09/24/1996: 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: 10/29/1985. We update with every new RPI gazette, published weekly.
Applicants
Dunlop Limited
GB
Shell Internationale Research Maatschappij B.V
NL
Inventors
B. R. (pessoa física)
B. R. (pessoa física)
G. E. (pessoa física)
IPC Classification
Priority claims
GB
8007860 · 03/07/1980
GB
8007861 · 03/07/1980
GB
8038405 · 11/29/1980
GB
8038406 · 11/29/1980
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/29/1985
RPI 784
#13.1
07/30/1985
RPI 771
#9.1
04/09/1985
RPI 755
#6.1
07/03/1984
RPI 715
11/01/1983
RPI 680
#4.1
12/15/1981
RPI 582
#21.1
09/24/1996
RPI 1347
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.