Publicação do pedido de patente
#3.1
11/28/1989
RPI 997
Application data
Number
PI8901933Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Checkrobot Inc
US
Inventors
D. O. (pessoa física)
US
D. H. (pessoa física)
US
S. T. (pessoa física)
US
W. D. (pessoa física)
US
IPC Classification
Priority claims
US
185.167 · 04/22/1988
US
320.063 · 03/07/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
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11/28/1989
RPI 997
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12/15/2009
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RPI 1247
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06/07/1994
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