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Official data from INPI

COMPOSIÇÃO DE LIMPEZA LIQUIDA, AQUOSA PARA PRE-TRATAMENTO DE LAVAGEM.

ConcedidaInvention Patent

Application data

Number

PI8000656

Type

Invention Patent

Filing

02/01/1980

Publication

-

Progress at the INPI

  1. Filing02/01/80
  2. Publication
  3. Examination01/05/82
  4. Allowance10/27/87
  5. Grant05/31/88
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

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Inventors

J. H. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7904330 · 02/07/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

05/05/1987

RPI 863

Conhecimento de parecer técnico

#7.1

09/27/1983

RPI 675

6.2

11/23/1982

RPI 631

Solicitação de exame técnico

#4.1

01/05/1982

RPI 585

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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