6.2
05/30/1989
RPI 971
Application data
Number
PI8500736Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
T. F. (pessoa física)
JP
Inventors
T. F. (pessoa física)
JP
IPC Classification
Priority claims
JP
27842/1984 · 02/16/1984
JP
27844/1984 · 02/16/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
05/30/1989
RPI 971
#4.1
05/20/1986
RPI 813
#3.1
10/08/1985
RPI 781
#2.1
05/07/1985
RPI 759
#21.1
Patente extinta em 15/02/2000
07/15/2008
RPI 1958
#16.1
12/31/1991
RPI 1100
#13.1
10/08/1991
RPI 1088
#9.1
06/11/1991
RPI 1071
#6.1
01/08/1991
RPI 1049
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.