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Official data from INPI

COMPOSICAO E PROCESSO PARA O TINGIMENTO POR OXIDACAO DE CABELO

Em AnáliseInvention Patent

Application data

Number

PI7908958

Type

Invention Patent

Filing

12/23/1978

Publication

-

Progress at the INPI

  1. Filing12/23/78
  2. Publication
  3. Examination07/13/82
  4. Allowance05/17/88
  5. Grant11/29/88
  6. Terminated09/25/90

The patent was granted on 11/29/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. A. (pessoa física)

DE

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Inventors

H. H. (pessoa física)

K. E. (pessoa física)

M. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 28 55 917.3 · 12/23/1978

DE

PCT/EP 79/00099 · 12/17/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.8

11/07/1989

RPI 994

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

11/29/1988

RPI 945

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Conhecimento de parecer técnico

#7.1

03/29/1983

RPI 649

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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