Republicação - classificação IPC
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: F16L 21/00; F01N 7/18.
03/27/2018
RPI 2464
Application data
Number
PI8907588Type
Filing
Publication
PCT
US1989003203 The letters patent expired on 12/29/2009: 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: 03/27/2018. We update with every new RPI gazette, published weekly.
Applicants
Donaldson Company, Inc
US
Donaldson Company, Inc.
US
Inventors
F. W. (pessoa física)
US
G. G. (pessoa física)
US
W. W. (pessoa física)
US
IPC Classification
Priority claims
US
228.760 · 08/04/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: F16L 21/00; F01N 7/18.
03/27/2018
RPI 2464
#21.1
Patente extinta em 25/07/2004
12/29/2009
RPI 2034
#16.1
11/29/1994
RPI 1252
#13.1
08/02/1994
RPI 1235
03/29/1994
RPI 1217
#9.1
01/18/1994
RPI 1207
#4.1
10/20/1992
RPI 1142
#4.2
04/28/1992
RPI 1117
#1.3
07/30/1991
RPI 1078
From the same holder
Same category
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