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Official data from INPI

CONJUNTO DE PENEIRAMENTO E GAXETA COMBINADOS E DISPOSITIVO DE VEDAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8206996

Type

Invention Patent

Filing

12/02/1982

Publication

10/11/1983

Progress at the INPI

  1. Filing12/02/82
  2. Publication10/11/83
  3. Examination08/27/85
  4. Allowance10/14/86
  5. Grant06/30/87
  6. Terminated10/16/90

The patent was granted on 06/30/1987 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Felt Products MFG. Co.

US

Inventors

L. D. (pessoa física)

Technical data

Priority claims

US

327.259 · 12/03/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/10/1987

RPI 855

Deferimento

#9.1

10/14/1986

RPI 834

Solicitação de exame técnico

#4.1

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

10/11/1983

RPI 677

Pedido de patente depositado

#2.1

01/25/1983

RPI 640

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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