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Official data from INPI

PRENSA DE MORDEDURA PROLONGADA E PROCESSO PARA A RETENÇÃO DE LUBRIFICANTE DENTRO DE UMA ESTEIRA SEM FIM QUE PASSA ATRAVÉS DE UMA MORDEDURA PROLONGADA.

Em AnáliseInvention Patent

Application data

Number

PI8605706

Type

Invention Patent

Filing

11/19/1986

Publication

08/18/1987

Progress at the INPI

  1. Filing11/19/86
  2. Publication08/18/87
  3. Examination01/10/89
  4. Allowance11/23/93
  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.

Talk to a specialist

Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

A. R. (pessoa física)

US

S. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

801.317 · 11/25/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/10/1989

RPI 951

Publicação do pedido de patente

#3.1

08/18/1987

RPI 878

Carta-patente expirada

#21.1

Patente extinta em 19/11/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

06/28/1994

RPI 1230

Deferimento

#9.1

11/23/1993

RPI 1199

Exigência - art. 36 da LPI

#6.1

03/09/1993

RPI 1162

Exigência - art. 36 da LPI

#6.1

05/19/1992

RPI 1120

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