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Official data from INPI

PROCESSO PARA ESCORVAR UM CARTUCHO DE FOGO ANULAR

Em AnáliseInvention Patent

Application data

Number

PI8102126

Type

Invention Patent

Filing

04/08/1981

Publication

01/12/1982

Progress at the INPI

  1. Filing04/08/81
  2. Publication01/12/82
  3. Examination01/31/84
  4. Allowance04/16/85
  5. Grant10/29/85
  6. Terminated08/30/94

The patent was granted on 10/29/1985 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

C. G. (pessoa física)

M. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

13.2

01/31/1989

RPI 954

Notificação para pagamento de retribuição

#13.1

11/01/1988

RPI 941

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

08/06/1985

RPI 772

Deferimento

#9.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

08/14/1984

RPI 721

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação do pedido de patente

#3.1

01/12/1982

RPI 586

Anuidade - prazo legal encerrado

#18.2

08/30/1994

RPI 1239

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