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Official data from INPI

PROCESSO DE FABRICACAO DE ACETATO DE ETILA

Em AnáliseInvention Patent

Application data

Number

PI7903014

Type

Invention Patent

Filing

05/17/1978

Publication

-

Progress at the INPI

  1. Filing05/17/78
  2. Publication
  3. Examination11/17/81
  4. Allowance03/08/83
  5. Grant10/25/83
  6. Terminated05/17/88

The patent was granted on 10/25/1983 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. I. (pessoa física)

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Inventors

G. M. (pessoa física)

M. O. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

06/28/1983

RPI 662

Deferimento

#9.1

03/08/1983

RPI 646

6.2

06/01/1982

RPI 606

Solicitação de exame técnico

#4.1

11/17/1981

RPI 578

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