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Official data from INPI

FILTRO PARA CIGARRO

ConcedidaInvention Patent

Application data

Number

PI8203961

Type

Invention Patent

Filing

07/06/1982

Publication

06/28/1983

Progress at the INPI

  1. Filing07/06/82
  2. Publication06/28/83
  3. Examination08/20/85
  4. Allowance01/31/89
  5. Grant11/28/89
  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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cigarette Components Limited

GB

See this company's full portfolio

Inventors

A. C. (pessoa física)

JP

E. H. (pessoa física)

GB

P. R. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8120821 · 07/06/1981

GB

8210372 · 04/07/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

06/06/1989

RPI 972

Deferimento

#9.1

01/31/1989

RPI 954

Exigência - art. 36 da LPI

#6.1

07/19/1988

RPI 926

6.2

03/24/1987

RPI 857

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

08/24/1982

RPI 618

Carta-patente expirada

#21.1

Patente extinta em 06/07/97

07/01/2008

RPI 1956

Cessão de direito de exploração

#22.1

11/12/1991

RPI 1093

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