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Official data from INPI

PARTICULAS SOLIDAS CONTENDO PEROXIDO DE CALCIO,PROCESSO PARA A OBTENCAO DAS MESMAS E PROCESSO PARA A OXIGENIACAO DE AGUAS

ConcedidaInvention Patent

Application data

Number

PI7807565

Type

Invention Patent

Filing

11/18/1977

Publication

-

Progress at the INPI

  1. Filing11/18/77
  2. Publication
  3. Examination
  4. Allowance10/27/87
  5. Grant05/31/88
  6. Terminated01/28/92

The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTEROX

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Inventors

G. I. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

06/02/1987

RPI 867

Conhecimento de parecer técnico

#7.1

07/15/1986

RPI 821

Exigência - art. 36 da LPI

#6.1

08/17/1982

RPI 617

6.2

02/02/1982

RPI 589

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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