Conhecimento de parecer técnico
#7.1
10/03/1989
RPI 989
Application data
Number
PI8400007Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
O. C. (pessoa física)
US
Inventors
L. T. (pessoa física)
US
R. T. (pessoa física)
US
T. T. (pessoa física)
US
IPC Classification
Priority claims
US
455.353 · 01/03/1983
US
551.135 · 11/16/1983
Publications in the Brazilian Industrial Property Gazette (RPI).
#7.1
10/03/1989
RPI 989
#4.1
11/27/1984
RPI 736
#3.1
07/31/1984
RPI 719
#2.1
03/20/1984
RPI 700
#21.1
Patente extinta em 02/01/99
07/08/2008
RPI 1957
#16.1
07/30/1991
RPI 1078
#13.1
04/09/1991
RPI 1062
#9.1
12/26/1990
RPI 1047
#6.1
07/24/1990
RPI 1025
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.