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Official data from INPI

VACUOMETRO PARA FILTROS DE AR DE TRATORES E SIMILARES

Em AnáliseInvention Patent

Application data

Number

PI7704517

Type

Invention Patent

Filing

07/11/1977

Publication

-

Progress at the INPI

  1. Filing07/11/77
  2. Publication
  3. Examination
  4. Allowance01/12/82
  5. Grant04/26/83
  6. Terminated12/15/87

The patent was granted on 04/26/1983 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FEM FAB ELETRO METALURGICA LTD

Inventors

H. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

200

05/29/1984

RPI 710

Pedido de licença voluntária

#17.1

12/20/1983

RPI 687

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

11/30/1982

RPI 632

Concessão da patente

#16.1

11/30/1982

RPI 632

110

09/21/1982

RPI 622

Recurso

#12.1

06/01/1982

RPI 606

Deferimento

#9.1

01/12/1982

RPI 586

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