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Official data from INPI

MOLDE METÁLICO PARA BLOCO SEXTAVADO DE CONCRETO

PublicadaUtility Model

Application data

Number

MU6601423

Type

Utility Model

Filing

08/15/1986

Publication

04/19/1988

Progress at the INPI

  1. Filing08/15/86
  2. Publication04/19/88
  3. Examination03/01/90
  4. Allowance11/13/90
  5. Grant06/25/91
  6. Expired09/17/96

The letters patent expired on 09/17/1996: 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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metalform Artefatos Metálicos Ltda.

SP, BR

Inventors

J. O. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/19/1988

RPI 913

Pedido de patente depositado

#2.1

03/31/1987

RPI 858

Carta-patente expirada

#21.1

09/17/1996

RPI 1346

201

04/26/1994

RPI 1221

Pedido de licença voluntária

#17.1

03/24/1992

RPI 1112

Cessão de direito de exploração

#22.1

03/17/1992

RPI 1111

Pedido de licença compulsória

#20.1

09/24/1991

RPI 1086

Concessão da patente

#16.1

06/25/1991

RPI 1073

Republicação - classificação IPC

#15.11

03/26/1991

RPI 1060

Notificação para pagamento de retribuição

#13.1

02/26/1991

RPI 1056

Deferimento

#9.1

11/13/1990

RPI 1041

Solicitação de exame técnico

#4.1

03/01/1990

RPI 1007

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