Carta-patente expirada
#21.1
Patente extinta em 13/11/2011
06/11/2013
RPI 2214
Application data
Number
PI9104924Type
Filing
Publication
The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
C. L. (pessoa física)
US
S. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 13/11/2011
06/11/2013
RPI 2214
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12/29/1998
RPI 1460
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Alterada de Int.Cl. 5 B24D 3/28.
08/25/1998
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03/10/1998
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05/31/1994
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12/17/1991
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