Concessão da patente
#16.1
09/29/1987
RPI 884
Application data
Number
PI8203968Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Sulzer Brothers Limited
CH
Inventors
W. M. (pessoa física)
US
IPC Classification
Priority claims
CH
4 922/81 · 07/30/1981
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