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Official data from INPI

COMPOSIÇÃO AMACIADORA DE TECIDOS

ConcedidaInvention Patent

Application data

Number

PI8300644

Type

Invention Patent

Filing

02/09/1983

Publication

11/08/1983

Progress at the INPI

  1. Filing02/09/83
  2. Publication11/08/83
  3. Examination04/17/84
  4. Allowance01/10/89
  5. Grant08/29/89
  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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

See this company's full portfolio

Inventors

E. W. (pessoa física)

GB

M. P. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8203882 · 02/10/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/30/1989

RPI 971

Deferimento

#9.1

01/10/1989

RPI 951

Exigência - art. 36 da LPI

#6.1

04/19/1988

RPI 913

Conhecimento de parecer técnico

#7.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

04/17/1984

RPI 704

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/29/1983

RPI 649

Carta-patente expirada

#21.1

Patente extinta em 09/02/98

07/01/2008

RPI 1956

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