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Official data from INPI

COMPOSIÇÃO ANTI-ADESIVA, PROCESSO PARA SUA PREPARAÇÃO E PROCESSO PARA TRATAMENTO DE SUPERFÍCIES.

ConcedidaInvention Patent

Application data

Number

PI7908910

Type

Invention Patent

Filing

11/16/1979

Publication

-

Progress at the INPI

  1. Filing11/16/79
  2. Publication
  3. Examination08/10/82
  4. Allowance08/02/88
  5. Grant04/25/89
  6. Terminated04/26/94

The patent was granted on 04/25/1989 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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. S. (pessoa física)

FR

Inventors

S. C. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

78/32579 · 11/17/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/25/1989

RPI 966

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

09/29/1987

RPI 884

Exigência - art. 36 da LPI

#6.1

04/26/1983

RPI 653

Solicitação de exame técnico

#4.1

08/10/1982

RPI 616

Anuidade - prazo legal encerrado

#18.2

04/26/1994

RPI 1221

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