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Official data from INPI

PROCESSO PARA RECUPERACAO DO TEORES DE CROMO DE UMA FONTE PORTADORA DE CROMO

Em AnáliseInvention Patent

Application data

Number

PI7700964

Type

Invention Patent

Filing

02/19/1976

Publication

-

Progress at the INPI

  1. Filing02/19/76
  2. Publication
  3. Examination
  4. Allowance05/31/83
  5. Grant11/29/83
  6. Terminated12/08/87

The patent was granted on 11/29/1983 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: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UOP INC

See this company's full portfolio

Inventors

S. J. (pessoa física)

U. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/08/1987

RPI 894

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

Exigência - art. 36 da LPI

#6.1

08/10/1982

RPI 616

Conhecimento de parecer técnico

#7.1

01/12/1982

RPI 586

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