Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8405281Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Vetco Offshore Industries, Inc.
US
Inventors
B. P. (pessoa física)
GB
J. J. (pessoa física)
US
N. B. (pessoa física)
GB
T. S. (pessoa física)
US
T. T. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
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05/30/1989
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05/02/1989
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01/24/1989
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07/12/1988
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#4.1
08/11/1987
RPI 877
01/21/1987
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#3.1
08/27/1985
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#2.1
01/02/1985
RPI 741
#21.1
Patente extinta em 18/10/99
07/08/2008
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08/24/1993
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