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Official data from INPI

SISTEMA PARA PURIFICAÇÀO DE ÁQUA QUE EMPREGA INJEÇÃO DE OZÔNIO

Em AnáliseInvention PatentPCT · US1980000194

Application data

Number

PI8007289

Type

Invention Patent

Filing

02/25/1980

Publication

-

PCT

US1980000194

Progress at the INPI

  1. Filing02/25/80
  2. Publication
  3. Examination11/16/82
  4. Allowance07/10/84
  5. Grant11/25/86
  6. Terminated05/17/88

The patent was granted on 11/25/1986 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. S. (pessoa física)

US

C. S. (pessoa física)

US

Inventors

B. W. (pessoa física)

S. C. (pessoa física)

Y. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

017,478 · 03/05/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

11/25/1986

RPI 840

110

06/17/1986

RPI 817

Recurso

#12.1

10/30/1984

RPI 732

Deferimento

#9.1

07/10/1984

RPI 716

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

11/16/1982

RPI 630

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