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Official data from INPI

PROCESSO PARA PRODUZIR UMA GAXETA ENROLADA EM ESPIRAL.

Em AnáliseInvention Patent

Application data

Number

PI8602123

Type

Invention Patent

Filing

05/12/1986

Publication

01/13/1987

Progress at the INPI

  1. Filing05/12/86
  2. Publication01/13/87
  3. Examination06/21/88
  4. Allowance08/31/93
  5. Grant03/29/94
  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: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Flexitallic Limited

US

Inventors

L. R. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8511923 · 05/10/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

11/01/1988

RPI 941

Solicitação de exame técnico

#4.1

06/21/1988

RPI 922

Publicação do pedido de patente

#3.1

01/13/1987

RPI 847

Pedido de patente depositado

#2.1

11/18/1986

RPI 839

Carta-patente expirada

#21.1

Patente extinta em 12/05/2001

07/22/2008

RPI 1959

Republicação - classificação IPC

#15.11

03/28/1995

RPI 1269

Concessão da patente

#16.1

03/29/1994

RPI 1217

Deferimento

#9.1

08/31/1993

RPI 1187

Exigência - art. 36 da LPI

#6.1

03/23/1993

RPI 1164

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