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Official data from INPI

PROCESSO PARA A OBTENÇÃO DE ÉTERES DE CELULOSE.

ArquivadaInvention Patent

Application data

Number

PI8206918

Type

Invention Patent

Filing

11/29/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing11/29/82
  2. Publication10/04/83
  3. Examination09/03/85
  4. Allowance05/17/88
  5. Abandoned
  6. In force

The application was allowed on 05/17/1988 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

F. H. (pessoa física)

P. E. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 31 47 434.9 · 11/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

12/12/1989

RPI 999

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

03/17/1987

RPI 856

Solicitação de exame técnico

#4.1

09/03/1985

RPI 776

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

01/18/1983

RPI 639

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