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Official data from INPI

FOLHA DE COBRE, MÉTODO DE PRODUZIR UMA FOLHA DE COBRE E LAMINADO PARA USO NA FABRICAÇÃO DE CIRCUITOS IMPRESSOS

PublicadaInvention Patent

Application data

Number

PI8703504

Type

Invention Patent

Filing

06/19/1987

Publication

03/22/1988

Progress at the INPI

  1. Filing06/19/87
  2. Publication03/22/88
  3. Examination12/11/90
  4. Allowance
  5. Grant
  6. In force

Published on 03/22/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 03/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gould Inc.

US

See this company's full portfolio

Inventors

P. R. (pessoa física)

JP

P. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

06/877211 · 06/20/1986

US

07/041606 · 04/23/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/22/1988

RPI 909

Pedido de patente depositado

#2.1

10/06/1987

RPI 885

Retificação

#15.3

11/01/1994

RPI 1248

Solicitação de exame técnico

#4.1

12/11/1990

RPI 1045

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