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Official data from INPI

CONJUNTO DE CARTUCHOS PARA CARGAS EXPLOSIVAS BEM COMO CARTUCHO.

ConcedidaInvention Patent

Application data

Number

PI8303667

Type

Invention Patent

Filing

07/08/1983

Publication

02/20/1985

Progress at the INPI

  1. Filing07/08/83
  2. Publication02/20/85
  3. Examination05/07/85
  4. Allowance09/02/86
  5. Grant06/02/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Petróleo Brasileira S/A - Petrobrás

RJ, BR

Inventors

C. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

12/23/1986

RPI 844

Deferimento

#9.1

09/02/1986

RPI 828

Exigência - art. 36 da LPI

#6.1

02/18/1986

RPI 800

Solicitação de exame técnico

#4.1

05/07/1985

RPI 759

Publicação do pedido de patente

#3.1

02/20/1985

RPI 748

Pedido de patente depositado

#2.1

08/23/1983

RPI 670

Carta-patente expirada

#21.1

Patente extinta em 08/07/98

07/01/2008

RPI 1956

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