Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI8105811

Type

Invention Patent

Filing

09/11/1981

Publication

06/08/1982

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Progress at the INPI

Filing09/11/81
Publication06/08/82
Examination07/24/84
Allowance10/15/85
Grant05/27/86
Terminated09/13/94

The patent was granted on 05/27/1986 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

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Inventors

K. H. (pessoa física)

W. J. (pessoa física)

Technical data

IPC Classification

C07D 209/48

Priority claims

P 30 34 397.6 · 09/12/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Deferimento

#9.1

10/15/1985

RPI 782

Exigência - art. 36 da LPI

#6.1

01/29/1985

RPI 745

Solicitação de exame técnico

#4.1

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

06/08/1982

RPI 607

Pedido de patente depositado

#2.1

10/27/1981

RPI 575

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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