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Official data from INPI

PROCESSO PARA A RECUPERACAO DE FERRO METALICO DE UMA FONTE CONTENDO FERRO

Em AnáliseInvention Patent

Application data

Number

PI7904583

Type

Invention Patent

Filing

07/19/1978

Publication

-

Progress at the INPI

  1. Filing07/19/78
  2. Publication
  3. Examination05/11/82
  4. Allowance05/02/84
  5. Grant10/30/84
  6. Terminated06/14/88

The patent was granted on 10/30/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UOP INC

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Inventors

C. C. (pessoa física)

K. M. (pessoa física)

W. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/21/1984

RPI 722

Republicação - classificação IPC

#15.11

05/02/1984

RPI 706

Deferimento

#9.1

05/02/1984

RPI 706

Republicação - classificação IPC

#15.11

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

09/20/1983

RPI 674

6.2

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

05/11/1982

RPI 603

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