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Official data from INPI

TREM PIROTÉCNICO E PROCESSO DE FABRICAÇÃO DO MESMO

Prazo de SigiloInvention Patent

Application data

Number

PI8904455

Type

Invention Patent

Filing

09/04/1989

Publication

03/12/1991

Progress at the INPI

  1. Filing09/04/89
  2. Publication03/12/91
  3. Examination07/27/93
  4. Allowance12/05/95
  5. Grant10/29/96
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Qinetiq Limited

GB

The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland

GB

See this company's full portfolio

Inventors

F. A. (pessoa física)

GB

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/21/1989

RPI 996

Carta-patente expirada

#21.1

Patente extinta em 04/09/2004

12/22/2009

RPI 2033

Transferência deferida

#25.1

Transferido de: The Secretary of State for Defence in Her Britannic Majesty's Government of The United Kingdom of Great Britain and Northern Ireland

05/07/2002

RPI 1635

Concessão da patente

#16.1

10/29/1996

RPI 1352

Notificação para pagamento de retribuição

#13.1

06/18/1996

RPI 1333

Deferimento

#9.1

12/05/1995

RPI 1305

Solicitação de exame técnico

#4.1

07/27/1993

RPI 1182

Publicação do pedido de patente

#3.1

03/12/1991

RPI 1058

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