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Official data from INPI

ESTRUTURA PRE-MOLDADA EM CONCRETO PARA COCHO

ConcedidaUtility Model

Application data

Number

MU6500236

Type

Utility Model

Filing

03/04/1985

Publication

10/29/1985

Progress at the INPI

  1. Filing03/04/85
  2. Publication10/29/85
  3. Examination03/04/86
  4. Allowance06/07/88
  5. Grant12/27/88
  6. Expired06/06/95

The letters patent expired on 06/06/1995: 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

POSTES CAVAN S A [BR]

Inventors

C. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Deferimento

#9.1

06/07/1988

RPI 920

Solicitação de exame técnico

#4.1

03/04/1986

RPI 802

Publicação antecipada

#3.2

10/29/1985

RPI 784

Pedido de patente depositado

#2.1

05/21/1985

RPI 761

Carta-patente expirada

#21.1

06/06/1995

RPI 1279

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