Concessão da patente
#16.1
06/28/1988
RPI 923
Application data
Number
PI8303617Type
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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
ABB Vetco Gray Inc.
US
Inventors
P. N. (pessoa física)
US
IPC Classification
Priority claims
FR
82.11939 · 07/07/1982
FR
82.13381 · 07/30/1982
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