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Official data from INPI

Processo para a remoção de resíduos de óleo de um tanque fechado

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000427

Type

Invention Patent

Filing

01/31/1990

Publication

01/15/1991

Progress at the INPI

  1. Filing01/31/90
  2. Publication01/15/91
  3. Examination06/01/93
  4. Allowance05/20/97
  5. Grant07/28/98
  6. Expired01/02/13

The letters patent expired on 01/02/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Great Eastern(Bermuda) Ltd

US

Inventors

A. N. (pessoa física)

GB

I. R. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8902116.6 · 02/01/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 31/01/2010

01/02/2013

RPI 2191

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

05/20/1997

RPI 1381

Exigência - art. 36 da LPI

#6.1

01/16/1996

RPI 1311

6.2

07/25/1995

RPI 1286

Solicitação de exame técnico

#4.1

06/01/1993

RPI 1174

Publicação do pedido de patente

#3.1

01/15/1991

RPI 1050

Pedido de patente depositado

#2.1

05/08/1990

RPI 1017

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