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Official data from INPI

BANHO AQUOSO ADEQUADO PARA ELETRODEPOSICAO E PROCESSO PARA PRODUZIR DEPOSITO ELETROLITICO

ConcedidaInvention Patent

Application data

Number

PI7803771

Type

Invention Patent

Filing

07/18/1977

Publication

-

Progress at the INPI

  1. Filing07/18/77
  2. Publication
  3. Examination
  4. Allowance04/05/83
  5. Grant10/25/83
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OXY METAL INDUSTRIES CORP

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Inventors

H. R. (pessoa física)

T. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/30/1983

RPI 671

Deferimento

#9.1

04/05/1983

RPI 650

Exigência - art. 36 da LPI

#6.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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