Concessão da patente
#16.1
03/31/1987
RPI 858
Application data
Number
PI8101954Type
Filing
Publication
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: 03/31/1987. We update with every new RPI gazette, published weekly.
Applicants
Unisearch Limited
AU
Inventors
I. G. (pessoa física)
L. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/31/1987
RPI 858
#13.1
11/04/1986
RPI 837
#9.1
07/08/1986
RPI 820
#6.1
07/09/1985
RPI 768
#7.1
11/06/1984
RPI 733
#4.1
05/24/1983
RPI 657
#3.1
11/09/1982
RPI 629
#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.