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Official data from INPI

Elementos de filtração.

Em AnáliseInvention Patent

Application data

Number

PI8100132

Type

Invention Patent

Filing

01/09/1981

Publication

-

Progress at the INPI

  1. Filing01/09/81
  2. Publication
  3. Examination07/05/83
  4. Allowance04/16/85
  5. Grant10/01/85
  6. Terminated06/21/88

The patent was granted on 10/01/1985 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Delbag - Luftfilter GmbH

Inventors

N. G. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 01 289.6 · 01/11/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

10/01/1985

RPI 780

Deferimento

#9.1

04/16/1985

RPI 756

Republicação - classificação IPC

#15.11

11/27/1984

RPI 736

Exigência - art. 36 da LPI

#6.1

04/03/1984

RPI 702

Solicitação de exame técnico

#4.1

07/05/1983

RPI 663

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