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Official data from INPI

COMPOSICAO DE REVESTIMENTO E ARTIGO REVESTIDO COM A MESMA

ConcedidaInvention Patent

Application data

Number

PI7801476

Type

Invention Patent

Filing

03/11/1977

Publication

-

Progress at the INPI

  1. Filing03/11/77
  2. Publication
  3. Examination
  4. Allowance12/07/82
  5. Grant08/02/83
  6. Terminated06/29/93

The patent was granted on 08/02/1983 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/02/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TORAY INDUSTRIES

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Inventors

S. M. (pessoa física)

T. T. (pessoa física)

Y. H. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/02/1983

RPI 667

Notificação para pagamento de retribuição

#13.1

05/17/1983

RPI 656

Deferimento

#9.1

12/07/1982

RPI 633

Exigência - art. 36 da LPI

#6.1

06/01/1982

RPI 606

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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