Official data from INPI

PROCESSO PARA DESTILAR ALCOOL ETILICO

ConcedidaInvention Patent

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Application data

Number

PI8008408

Type

Invention Patent

Filing

12/22/1979

Publication

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Progress at the INPI

Filing12/22/79
Publication
Examination09/28/82
Allowance03/11/86
Grant07/25/89
Terminated08/09/94

The patent was granted on 07/25/1989 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TSUKISHIMA KIKAI CO

Inventors

M. M. (pessoa física)

Technical data

IPC Classification

C12F 1/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

110

11/01/1988

RPI 941

Recurso

#12.1

07/15/1986

RPI 821

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

02/21/1984

RPI 696

Pedido de certificado de adição de invenção

#5.1

03/08/1983

RPI 646

Solicitação de exame técnico

#4.1

09/28/1982

RPI 623

5.2

11/10/1981

RPI 577

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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