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Official data from INPI

PROCESSO APERFEICOADO PARA PRODUZIR UM CIRCUITO IMPRESSO

ConcedidaInvention Patent
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Application data

Number

PI7900604

Type

Invention Patent

Filing

02/01/1978

Publication

-
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Progress at the INPI

  1. Filing02/01/78
  2. Publication
  3. Examination10/13/81
  4. Allowance02/16/83
  5. Grant08/30/83
  6. Terminated01/28/92

The patent was granted on 08/30/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/30/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT

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Inventors

P. R. (pessoa física)

Technical data

IPC Classification

H05K 3/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/14/1983

RPI 660

Deferimento

#9.1

02/16/1983

RPI 643

Exigência - art. 36 da LPI

#6.1

08/03/1982

RPI 615

Solicitação de exame técnico

#4.1

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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