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Official data from INPI

PROCESSO PARA PRODUÇÃO DE ETANOL POR FERMENTAÇÃO

Em ExigênciaInvention Patent

Application data

Number

PI8104417

Type

Invention Patent

Filing

07/10/1981

Publication

08/31/1982

Progress at the INPI

  1. Filing07/10/81
  2. Publication08/31/82
  3. Examination01/11/83
  4. Allowance11/27/90
  5. Grant07/30/91
  6. Terminated09/13/94

The patent was granted on 07/30/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

George Weston Limited

CA

Inventors

H. L. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

06/184.508 · 09/05/1980

US

06/217.066 · 12/16/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

09/30/1986

RPI 832

Conhecimento de parecer técnico

#7.1

11/26/1985

RPI 788

6.2

03/26/1985

RPI 753

Pedido de certificado de adição de invenção

#5.1

06/21/1983

RPI 661

Solicitação de exame técnico

#4.1

01/11/1983

RPI 638

Publicação do pedido de patente

#3.1

08/31/1982

RPI 619

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

03/12/1991

RPI 1058

Deferimento

#9.1

11/27/1990

RPI 1043

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