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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM ESTICADORA DE TUBOS

Em AnáliseUtility Model

Application data

Number

MU6800714

Type

Utility Model

Filing

04/07/1988

Publication

07/26/1988

Progress at the INPI

  1. Filing04/07/88
  2. Publication07/26/88
  3. Examination09/27/88
  4. Allowance08/31/93
  5. Grant01/04/94
  6. Expired09/25/01

The letters patent expired on 09/25/2001: 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. M. (pessoa física)

SP, BR

Inventors

L. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/27/1988

RPI 936

Publicação antecipada

#3.2

07/26/1988

RPI 927

Pedido de patente depositado

#2.1

07/19/1988

RPI 926

Carta-patente expirada

#21.1

Patente extinta em 07/04/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

01/04/1994

RPI 1205

Deferimento

#9.1

08/31/1993

RPI 1187

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