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Official data from INPI

COMPOSIÇÃO DE RESINA EPOXI, ARTIGO PRODUZIDO DA MESMA E SUBSTRATO ISOLANTE PARA PAINÉIS DE CIRCUITOS IMPRESSOS

ConcedidaInvention Patent

Application data

Number

PI8004419

Type

Invention Patent

Filing

07/14/1980

Publication

-

Progress at the INPI

  1. Filing07/14/80
  2. Publication
  3. Examination04/12/83
  4. Allowance09/10/85
  5. Grant05/27/86
  6. Expired09/19/95

The letters patent expired on 09/19/1995: 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

R. J. (pessoa física)

Technical data

Priority claims

US

58.192 · 07/17/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Notificação para pagamento de retribuição

#13.1

01/14/1986

RPI 795

Deferimento

#9.1

09/10/1985

RPI 777

Exigência - art. 36 da LPI

#6.1

10/16/1984

RPI 730

Exigência - art. 36 da LPI

#6.1

12/27/1983

RPI 688

Solicitação de exame técnico

#4.1

04/12/1983

RPI 651

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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