Exigência - art. 36 da LPI
#6.1
10/17/1989
RPI 991
Application data
Number
PI8301779Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
T. C. (pessoa física)
US
Inventors
J. V. (pessoa física)
US
K. D. (pessoa física)
US
IPC Classification
Priority claims
US
375.948 · 05/07/1982
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
10/17/1989
RPI 991
#7.1
01/31/1989
RPI 954
#6.1
09/29/1987
RPI 884
#4.1
11/12/1985
RPI 786
#3.1
12/20/1983
RPI 687
#2.1
05/24/1983
RPI 657
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C10M 1/38; C10M 1/44.
03/27/2018
RPI 2464
#21.1
Patente extinta em 07/04/98
07/01/2008
RPI 1956
#16.1
11/27/1990
RPI 1043
#13.1
08/21/1990
RPI 1029
#9.1
05/15/1990
RPI 1018
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.