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Official data from INPI

COMPOSIÇÃO DETERGENTE LÍQUIDA PARA SERVIÇO LEVE.

ConcedidaInvention Patent

Application data

Number

PI8000109

Type

Invention Patent

Filing

01/09/1980

Publication

-

Progress at the INPI

  1. Filing01/09/80
  2. Publication
  3. Examination09/14/82
  4. Allowance03/31/87
  5. Grant09/29/87
  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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

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Inventors

A. M. (pessoa física)

H. Z. (pessoa física)

L. E. (pessoa física)

Technical data

IPC Classification

Priority claims

US

002.924 · 01/12/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

08/11/1987

RPI 877

Deferimento

#9.1

03/31/1987

RPI 858

Conhecimento de parecer técnico

#7.1

05/17/1983

RPI 656

Solicitação de exame técnico

#4.1

09/14/1982

RPI 621

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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