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Official data from INPI

APARELHO ANTI-POLUICAO,COM FILTRAGEM LIMPEZA E AERACAO DE AGUAS EM GERAL

Em AnáliseInvention Patent
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Application data

Number

PI7805438

Type

Invention Patent

Filing

08/22/1978

Publication

-
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Progress at the INPI

  1. Filing08/22/78
  2. Publication
  3. Examination
  4. Allowance03/01/83
  5. Grant10/25/83
  6. Terminated08/05/86

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.

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Latest action published by the INPI: 08/05/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BLOOMFIELD E

Inventors

B. E. (pessoa física)

Technical data

IPC Classification

C02F 7/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

08/05/1986

RPI 824

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

Exigência - art. 36 da LPI

#6.1

08/17/1982

RPI 617

Exigência - art. 36 da LPI

#6.1

01/26/1982

RPI 588

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