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Official data from INPI

APERFEIÇOAMENTO EM APARELHO PARA PENEIRAR MATERIAL FIBROSO.

ConcedidaInvention Patent

Application data

Number

PI8002773

Type

Invention Patent

Filing

05/06/1980

Publication

12/22/1981

Progress at the INPI

  1. Filing05/06/80
  2. Publication12/22/81
  3. Examination01/31/84
  4. Allowance05/07/85
  5. Grant10/29/85
  6. Terminated11/03/93

The patent was granted on 10/29/1985 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gauld Equipment Manufacturing Co.

US

Inventors

E. T. (pessoa física)

G. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

08/27/1985

RPI 775

Deferimento

#9.1

05/07/1985

RPI 759

Exigência - art. 36 da LPI

#6.1

10/09/1984

RPI 729

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação do pedido de patente

#3.1

12/22/1981

RPI 583

Anuidade - prazo legal encerrado

#18.2

11/03/1993

RPI 1196

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