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Official data from INPI

FORMAS PARA BLOCOS DE PAVIMENTAÇÀO.

Em AnáliseUtility Model

Application data

Number

MU6300389

Type

Utility Model

Filing

03/30/1983

Publication

12/27/1983

Progress at the INPI

  1. Filing03/30/83
  2. Publication12/27/83
  3. Examination05/02/84
  4. Allowance02/12/86
  5. Grant12/30/86
  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: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Blokret Engenharia de Pavimentações S/A

Inventors

K. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

09/05/1989

RPI 985

20.4

08/29/1989

RPI 984

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

08/13/1985

RPI 773

Solicitação de exame técnico

#4.1

05/02/1984

RPI 706

Publicação antecipada

#3.2

12/27/1983

RPI 688

Pedido de patente depositado

#2.1

05/17/1983

RPI 656

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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