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Official data from INPI

CARREGADOR COM DIVISÃO LATERAL APERFEIÇOADA

Em AnáliseInvention Patent

Application data

Number

PI8604739

Type

Invention Patent

Filing

02/06/1986

Publication

08/04/1987

Progress at the INPI

  1. Filing02/06/86
  2. Publication08/04/87
  3. Examination11/24/87
  4. Allowance10/23/90
  5. Grant02/26/91
  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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

J. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

704.352 · 02/21/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/24/1987

RPI 892

Notificação de entrada na fase nacional - PCT

#1.3

08/04/1987

RPI 876

Carta-patente expirada

#21.1

Patente extinta em 06/02/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

02/26/1991

RPI 1056

Deferimento

#9.1

10/23/1990

RPI 1038

Exigência - art. 36 da LPI

#6.1

05/29/1990

RPI 1020

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