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Official data from INPI

TRITURADOR GIRATÓRIO COM DESCARGA AUTOMÁTICA DE FERRO RESIDUAL

DeferidaInvention Patent

Application data

Number

PI8602261

Type

Invention Patent

Filing

05/19/1986

Publication

12/22/1987

Progress at the INPI

  1. Filing05/19/86
  2. Publication12/22/87
  3. Examination03/29/88
  4. Allowance09/26/89
  5. Grant05/29/90
  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.

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

Barber-Greene Company

US

Inventors

J. B. (pessoa física)

US

R. S. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/26/1989

RPI 988

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

Solicitação de exame técnico

#4.1

03/29/1988

RPI 910

Publicação do pedido de patente

#3.1

12/22/1987

RPI 896

Pedido de patente depositado

#2.1

11/25/1986

RPI 840

Carta-patente expirada

#21.1

Patente extinta em 19/05/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

05/29/1990

RPI 1020

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