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Official data from INPI

ELEMENTO DE REVESTIMENTO PARA PAREDES E SIMELHANTES

ConcedidaUtility Model

Application data

Number

MU6201011

Type

Utility Model

Filing

07/30/1982

Publication

03/07/1984

Progress at the INPI

  1. Filing07/30/82
  2. Publication03/07/84
  3. Examination08/07/84
  4. Allowance04/01/86
  5. Grant07/29/86
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

JOAO G SIQUEIRA [BR]

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/29/1986

RPI 823

100

04/01/1986

RPI 806

Petição de recurso

#12.2

10/08/1985

RPI 781

Indeferimento

#9.2

06/25/1985

RPI 766

Solicitação de exame técnico

#4.1

08/07/1984

RPI 720

Publicação do pedido de patente

#3.1

03/07/1984

RPI 698

Pedido de patente depositado

#2.1

09/14/1982

RPI 621

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: E04C 1/04; E04F 13/00.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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