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Official data from INPI

PROCESSO PARA A PRECIPITACAO DE FERRO COMO JAROSITA

ConcedidaInvention Patent

Application data

Number

PI7802912

Type

Invention Patent

Filing

05/09/1978

Publication

-

Progress at the INPI

  1. Filing05/09/78
  2. Publication
  3. Examination
  4. Allowance04/05/83
  5. Grant10/25/83
  6. Terminated04/20/93

The patent was granted on 10/25/1983 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: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Electrolytic Zinc Company of Australasia Limited

AU

Inventors

H. C. (pessoa física)

P. R. (pessoa física)

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

07/06/1982

RPI 611

6.2

12/15/1981

RPI 582

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C22B 19/26.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

04/20/1993

RPI 1168

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