Carta-patente expirada
#21.1
Patente extinta em 01/11/2010
05/21/2013
RPI 2211
Application data
Number
PI9005571Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.
Applicants
Norton Company
US
Inventors
B. L. (pessoa física)
US
R. K. (pessoa física)
US
W. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 01/11/2010
05/21/2013
RPI 2211
#15.11
Alterada da Int Cl5 C04B 35/10, 35/48; C09K 3/14.
11/21/2000
RPI 1559
#16.1
07/11/2000
RPI 1540
#9.1
02/22/2000
RPI 1520
#5.1
02/16/1994
RPI 1211
#4.1
07/20/1993
RPI 1181
#3.1
09/17/1991
RPI 1085
#2.1
04/30/1991
RPI 1065
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