Republicação - classificação IPC
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C04B 22/10; C04B 7/21; C04B 7/20.
03/27/2018
RPI 2464
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Official data from INPI
COMPOSIÇÃO DE CIMENTO CURÁVEL À BAIXAS TEMPERATURAS
Em AnáliseInvention PatentPCT · US1988000156
Application data
Number
PI8807227Type
Invention Patent
Filing
01/11/1988
Publication
03/01/1990
PCT
US1988000156 Progress at the INPI
- Filing01/11/88
- Publication03/01/90
- Examination05/15/90
- Allowance
- Grant
- In force
Published on 03/01/1990, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.
Latest action published by the INPI: 03/27/2018. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Lone Star Industries, Inc
US
Inventors
B. G. (pessoa física)
J. S. (pessoa física)
R. H. (pessoa física)
Technical data
IPC Classification
Priority claims
US
103.755 · 10/02/1987
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Retificação
#15.3
04/30/1996
RPI 1326
Solicitação de exame técnico
#4.1
05/15/1990
RPI 1018
Notificação de entrada na fase nacional - PCT
#1.3
03/01/1990
RPI 1007
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