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Official data from INPI

APARELHO DE PENEIRAMENTO EM BARRAS

Em AnáliseInvention Patent
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Application data

Number

PI8604860

Type

Invention Patent

Filing

10/06/1986

Publication

07/07/1987
View on INPI

Progress at the INPI

  1. Filing10/06/86
  2. Publication07/07/87
  3. Examination07/11/89
  4. Allowance07/27/93
  5. Grant06/28/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J & M Enterprises

US

Inventors

S. R. (pessoa física)

US

Technical data

IPC Classification

B01D 35/16

Priority claims

US

784.226 · 10/04/1985

US

908.828 · 09/18/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/11/1989

RPI 977

Publicação do pedido de patente

#3.1

07/07/1987

RPI 872

Pedido de patente depositado

#2.1

03/24/1987

RPI 857

Carta-patente expirada

#21.1

Patente extinta em 06/10/2001

07/22/2008

RPI 1959

Republicação - classificação IPC

#15.11

03/01/1995

RPI 1265

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

01/18/1994

RPI 1207

Deferimento

#9.1

07/27/1993

RPI 1182

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