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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA APLICADA A ADUELA PREMOLDADA EM CONCRETO ARMADO

Prazo de SigiloUtility Model

Application data

Number

MU6802233

Type

Utility Model

Filing

09/28/1988

Publication

05/29/1990

Progress at the INPI

  1. Filing09/28/88
  2. Publication05/29/90
  3. Examination01/08/91
  4. Allowance06/09/92
  5. Grant03/30/93
  6. Terminated10/31/95

The patent was granted on 03/30/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sigma Engenharia de Projetos Ltda

MG, BR

Inventors

C. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Anuidade - prazo legal encerrado

#18.2

10/31/1995

RPI 1300

Concessão da patente

#16.1

03/30/1993

RPI 1165

Republicação - classificação IPC

#15.11

12/08/1992

RPI 1149

Notificação para pagamento de retribuição

#13.1

10/27/1992

RPI 1143

Deferimento

#9.1

06/09/1992

RPI 1123

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

Solicitação de exame não realizada

#4.2

10/02/1990

RPI 1035

Publicação do pedido de patente

#3.1

05/29/1990

RPI 1020

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