Solicitação de exame técnico
#4.1
04/12/1988
RPI 912
Application data
Number
PI8502798Type
Filing
Publication
The patent was granted on 12/31/1991 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: 04/12/1988. We update with every new RPI gazette, published weekly.
Applicants
E. C. (pessoa física)
US
Inventors
G. K. (pessoa física)
US
IPC Classification
Priority claims
US
619.977 · 06/13/1984
US
621.777 · 06/18/1984
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