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Official data from INPI

SEM TITULO

ConcedidaInvention Patent
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Application data

Number

PI8000087

Type

Invention Patent

Filing

01/08/1980

Publication

-
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Progress at the INPI

  1. Filing01/08/80
  2. Publication
  3. Examination
  4. Allowance04/08/86
  5. Grant10/29/86
  6. Terminated11/03/93

The patent was granted on 10/29/1986 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: 10/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Oxy Metal Industries Corporation

US

Inventors

D. R. (pessoa física)

M. L. (pessoa física)

Technical data

IPC Classification

C25D 3/50

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1986

RPI 836

Notificação para pagamento de retribuição

#13.1

08/12/1986

RPI 825

Deferimento

#9.1

04/08/1986

RPI 807

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Exigência - art. 36 da LPI

#6.1

09/18/1984

RPI 726

Exigência - art. 36 da LPI

#6.1

01/03/1984

RPI 689

Anuidade - prazo legal encerrado

#18.2

11/03/1993

RPI 1196

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