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Official data from INPI

COMPOSIÇÃO DETERGENTE LIQUIDA.

ConcedidaInvention Patent

Application data

Number

PI8005922

Type

Invention Patent

Filing

09/16/1980

Publication

-

Progress at the INPI

  1. Filing09/16/80
  2. Publication
  3. Examination03/29/83
  4. Allowance08/02/88
  5. Grant02/28/89
  6. Expired11/07/95

The letters patent expired on 11/07/1995: 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

Unilever N.V.

NL

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Inventors

A. N. (pessoa física)

C. W. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7932149 · 09/17/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

09/01/1987

RPI 880

Conhecimento de parecer técnico

#7.1

10/04/1983

RPI 676

Solicitação de exame técnico

#4.1

03/29/1983

RPI 649

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

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