Concessão da patente
#16.1
12/29/1987
RPI 897
The letters patent expired on 05/24/1994: 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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
US
Inventors
A. J. (pessoa física)
US
R. T. (pessoa física)
US
IPC Classification
Priority claims
US
864.752 · 12/27/1977
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