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Official data from INPI

COMPOSTO QUIMICO,E COMPOSICAO DE TINGIMENTO PARA FIBRAS DE QUERATINA,PARTICULARMENTE PARA CABELOS

Em AnáliseInvention Patent

Application data

Number

PI7705562

Type

Invention Patent

Filing

08/20/1976

Publication

-

Progress at the INPI

  1. Filing08/20/76
  2. Publication
  3. Examination
  4. Allowance08/03/82
  5. Grant02/22/83
  6. Expired07/13/93

The letters patent expired on 07/13/1993: 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

310

04/30/1985

RPI 758

300

12/18/1984

RPI 739

200

08/28/1984

RPI 723

Pedido de licença voluntária

#17.1

03/07/1984

RPI 698

22.2

02/14/1984

RPI 695

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

12/14/1982

RPI 634

Deferimento

#9.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

07/13/1993

RPI 1180

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