Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI8105160

Type

Invention Patent

Filing

08/11/1981

Publication

04/12/1983

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Progress at the INPI

Filing08/11/81
Publication04/12/83
Examination06/11/85
Allowance07/19/88
Grant02/28/89
Terminated09/13/94

The patent was granted on 02/28/1989 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Indústrias Químicas Taubaté S/A

SP, BR

Inventors

R. D. (pessoa física)

Technical data

IPC Classification

C10L 1/22

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Deferimento

#9.1

07/19/1988

RPI 926

Exigência - art. 36 da LPI

#6.1

03/01/1988

RPI 906

Pedido de certificado de adição de invenção

#5.1

11/19/1985

RPI 787

Solicitação de exame técnico

#4.1

06/11/1985

RPI 764

3.4

05/31/1983

RPI 658

Publicação do pedido de patente

#3.1

04/12/1983

RPI 651

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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