Pedido de certificado de adição de invenção
#5.1
05/23/1989
RPI 970
Application data
Number
PI8601931Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 05/23/1989. We update with every new RPI gazette, published weekly.
Applicants
Cameron Iron Works, Inc.
US
Inventors
E. F. (pessoa física)
US
E. S. (pessoa física)
US
R. P. (pessoa física)
US
R. B. (pessoa física)
US
IPC Classification
Priority claims
US
729623 · 05/02/1985
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