Pedido de certificado de adição de invenção
#5.1
09/29/1987
RPI 884
Application data
Number
PI8602055Type
Filing
Publication
The patent was granted on 06/30/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Freeport Research and Engineering Company
US
Inventors
D. D. (pessoa física)
US
P. M. (pessoa física)
US
T. W. (pessoa física)
US
V. A. (pessoa física)
US
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09/29/1987
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09/26/1995
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06/30/1992
RPI 1126
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RPI 1103
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09/17/1991
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03/12/1991
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