Concessão da patente
#16.1
06/24/1986
RPI 818
Application data
Number
PI8207796Type
Filing
Publication
PCT
US1982001001 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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants
Donaldson Company, Inc.
US
Inventors
A. [. (pessoa física)
B. [. (pessoa física)
S. [. (pessoa física)
S. [. (pessoa física)
Pessoa física
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/24/1986
RPI 818
#13.1
04/22/1986
RPI 809
#9.1
12/03/1985
RPI 789
#4.1
03/19/1985
RPI 752
#1.3.1
08/30/1983
RPI 671
#1.3
07/19/1983
RPI 665
#21.1
Patente extinta em 23/07/97
07/01/2008
RPI 1956
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