Concessão da patente
#16.1
08/29/1989
RPI 984
Application data
Number
PI8300045Type
Filing
Publication
The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Dresser Industries, Inc.
US
Inventors
E. L. (pessoa física)
US
IPC Classification
Priority claims
DK
36/82 · 01/07/1982
US
437.206 · 10/28/1982
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