Carta-patente expirada
#21.1
Patente extinta em 08/11/2004
12/29/2009
RPI 2034
Application data
Number
PI8907159Type
Filing
Publication
PCT
NO1989000116 The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants
Smedvig IPR A/S
NO
Inventors
A. N. (pessoa física)
NO
J. F. (pessoa física)
NO
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 08/11/2004
12/29/2009
RPI 2034
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09/27/1994
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05/17/1994
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09/10/1991
RPI 1084
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02/26/1991
RPI 1056
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