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Official data from INPI

PROCESSO PARA ELETRODEPOSIÇÃO DE COBRE SOBRE HASTE DE AÇO.

ConcedidaInvention Patent
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Application data

Number

PI7907430

Type

Invention Patent

Filing

11/14/1979

Publication

-
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Progress at the INPI

  1. Filing11/14/79
  2. Publication
  3. Examination
  4. Allowance09/27/83
  5. Grant03/27/84
  6. Expired05/02/95

The letters patent expired on 05/02/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

Inventors

H. W. (pessoa física)

M. D. (pessoa física)

P. G. (pessoa física)

Technical data

IPC Classification

C25D 3/38

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/17/1984

RPI 691

14.1

01/10/1984

RPI 690

Deferimento

#9.1

09/27/1983

RPI 675

Exigência - art. 36 da LPI

#6.1

01/11/1983

RPI 638

Exigência - art. 36 da LPI

#6.1

05/04/1982

RPI 602

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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