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Official data from INPI

DISPOSITIVO DE FILTRO

DeferidaInvention Patent

Application data

Number

PI8203919

Type

Invention Patent

Filing

07/02/1982

Publication

06/28/1983

Progress at the INPI

  1. Filing07/02/82
  2. Publication06/28/83
  3. Examination08/20/85
  4. Allowance10/31/89
  5. Grant05/29/90
  6. Terminated12/20/94

The patent was granted on 05/29/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cigarette Components Limited

GB

See this company's full portfolio

Inventors

E. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

81 20820 · 07/06/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Exigência - art. 36 da LPI

#6.1

03/28/1989

RPI 962

Solicitação de exame não realizada

#4.2

07/28/1987

RPI 875

Solicitação de exame técnico

#4.1

08/20/1985

RPI 774

Publicação do pedido de patente

#3.1

06/28/1983

RPI 662

Pedido de patente depositado

#2.1

08/17/1982

RPI 617

Anuidade - prazo legal encerrado

#18.2

12/20/1994

RPI 1255

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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