Publicação do pedido de patente
#3.1
10/17/1989
RPI 991
Application data
Number
PI8900727Type
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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
The Goodyear Tire & Rubber Company
US
Inventors
W. T. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/17/1989
RPI 991
#2.1
04/04/1989
RPI 963
#21.1
Patente extinta em 20/02/2009
05/21/2013
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06/24/1997
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#13.1
03/25/1997
RPI 1373
#15.11
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08/27/1996
RPI 1343
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09/13/1994
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08/17/1993
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12/10/1991
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