Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI8304054

Type

Invention Patent

Filing

07/28/1983

Publication

04/24/1984

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Progress at the INPI

Filing07/28/83
Publication04/24/84
Examination08/14/84
Allowance03/11/86
Grant09/30/86
Terminated04/09/96

The patent was granted on 09/30/1986 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Koa Oil Company, Limited

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

08/14/1984

RPI 721

Publicação do pedido de patente

#3.1

04/24/1984

RPI 705

Pedido de patente depositado

#2.1

10/04/1983

RPI 676

Anuidade - prazo legal encerrado

#18.2

04/09/1996

RPI 1323

From the same holder

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