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Official data from INPI

FILTRO DE AR.

Em AnáliseInvention Patent

Application data

Number

PI8002500

Type

Invention Patent

Filing

04/24/1980

Publication

-

Progress at the INPI

  1. Filing04/24/80
  2. Publication
  3. Examination08/24/82
  4. Allowance06/11/85
  5. Grant09/29/87
  6. Terminated09/26/89

The patent was granted on 09/29/1987 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

Inventors

B. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

32.084 · 04/23/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

09/29/1987

RPI 884

110

05/12/1987

RPI 864

120

06/17/1986

RPI 817

Recurso

#12.1

10/01/1985

RPI 780

Deferimento

#9.1

06/11/1985

RPI 764

8.1

01/22/1985

RPI 744

Republicação - classificação IPC

#15.11

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

02/07/1984

RPI 694

Pedido de certificado de adição de invenção

#5.1

02/16/1983

RPI 643

Solicitação de exame técnico

#4.1

08/24/1982

RPI 618

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