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Official data from INPI

AGENTE PARA O TINGIMENTO DE CABELO.

ConcedidaInvention Patent

Application data

Number

PI7908781

Type

Invention Patent

Filing

04/15/1980

Publication

-

Progress at the INPI

  1. Filing04/15/80
  2. Publication
  3. Examination
  4. Allowance05/17/88
  5. Grant11/29/88
  6. Expired05/09/95

The letters patent expired on 05/09/1995: 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. A. (pessoa física)

DE

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Inventors

K. [. (pessoa física)

M. [. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 28 35 776.8 · 08/16/1978

DE

PCT/EP 79/00060 · 08/02/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

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

Carta-patente expirada

#21.1

05/09/1995

RPI 1275

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