Retificação
#15.3
10/20/1987
RPI 887
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Official data from INPI
PROCESSO E COMPOSICAO PARA PRODUZIR VIDRO ESPUMADO A PARTIR DE TERRA DIATOMACEA E POEIRA DE CINZAS
Em AnáliseInvention Patent
Application data
Number
PI8207929Type
Invention Patent
Filing
10/14/1981
Publication
09/20/1983
Progress at the INPI
- Filing10/14/81
- Publication09/20/83
- Examination07/16/85
- Allowance
- Grant
- In force
Published on 09/20/1983, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.
Latest action published by the INPI: 10/20/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
LITOVITZ THEODORE A [US]
MACEDO PEDRO B [US]
Inventors
H. [. (pessoa física)
L. [. (pessoa física)
M. [. (pessoa física)
Pessoa física
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Solicitação de exame técnico
#4.1
07/16/1985
RPI 769
Notificação de entrada na fase nacional - PCT
#1.3
09/20/1983
RPI 674
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