Anuidade - prazo legal encerrado
#18.2
05/24/1988
RPI 918
Application data
Number
PI8203382Type
Filing
Publication
The patent was granted on 09/30/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.
Applicants
Coal Industry (Patents) Limited
GB
Inventors
A. C. (pessoa física)
GB
D. B. (pessoa física)
GB
J. R. (pessoa física)
GB
Priority claims
GB
81/18956 · 06/19/1981
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