Carta-patente expirada
#21.1
Patente extinta em 11/12/2009
01/02/2013
RPI 2191
Application data
Number
PI8906389Type
Filing
Publication
The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
US
Inventors
D. G. (pessoa física)
US
W. O. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 11/12/2009
01/02/2013
RPI 2191
#16.1
06/01/1999
RPI 1482
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Alterada a Classificação para Int.Cl.6 C23C 10/02 e C23C 10/48.
10/27/1998
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10/27/1998
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04/22/1998
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12/26/1990
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RPI 1029
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