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Official data from INPI

AVENTAL

ConcedidaUtility Model

Application data

Number

MU6502006

Type

Utility Model

Filing

12/13/1985

Publication

09/02/1986

Progress at the INPI

  1. Filing12/13/85
  2. Publication09/02/86
  3. Examination10/21/86
  4. Allowance03/28/89
  5. Grant09/26/89
  6. Expired03/12/96

The letters patent expired on 03/12/1996: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Engebasa Mecânica e Usinagem S/A.

SP, BR

Inventors

B. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

07/18/1989

RPI 978

Deferimento

#9.1

03/28/1989

RPI 962

Solicitação de exame técnico

#4.1

10/21/1986

RPI 835

Publicação antecipada

#3.2

09/02/1986

RPI 828

Pedido de patente depositado

#2.1

08/05/1986

RPI 824

Carta-patente expirada

#21.1

03/12/1996

RPI 1319

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