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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6500517

Type

Utility Model

Filing

03/26/1985

Publication

07/16/1985

Progress at the INPI

  1. Filing03/26/85
  2. Publication07/16/85
  3. Examination10/01/85
  4. Allowance10/04/88
  5. Grant07/25/89
  6. Expired10/03/95

The letters patent expired on 10/03/1995: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. T. (pessoa física)

SP, BR

Inventors

T. [. (pessoa física)

T. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

Exigência - art. 36 da LPI

#6.1

03/22/1988

RPI 909

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

Publicação antecipada

#3.2

07/16/1985

RPI 769

Pedido de patente depositado

#2.1

07/09/1985

RPI 768

Carta-patente expirada

#21.1

10/03/1995

RPI 1296

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