Official data from INPI

DISPOSITIVO DE MANUTENCAO

Em AnáliseInvention Patent

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Application data

Number

PI7908536

Type

Invention Patent

Filing

12/27/1979

Publication

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Progress at the INPI

Filing12/27/79
Publication
Examination09/06/83
Allowance01/29/85
Grant07/30/85
Terminated06/14/88

The patent was granted on 07/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAINT GOBAIN [FR]

Inventors

G. L. (pessoa física)

M. U. (pessoa física)

Technical data

IPC Classification

C03B 35/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/21/1985

RPI 761

Deferimento

#9.1

01/29/1985

RPI 745

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

09/06/1983

RPI 672

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VIDRACA FOLHEADA

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