Concessão da patente
#16.1
07/30/1985
RPI 771
Application data
Number
PI8102310Type
Filing
Publication
The letters patent expired on 10/01/1996: 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: 07/30/1985. We update with every new RPI gazette, published weekly.
Applicants
W. C. (pessoa física)
US
Inventors
E. R. (pessoa física)
E. J. (pessoa física)
M. B. (pessoa física)
S. G. (pessoa física)
IPC Classification
Priority claims
US
140.631 · 04/15/1980
US
140.632 · 04/15/1980
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