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Official data from INPI

SEM TITULO

Em AnáliseUtility Model

Application data

Number

MU6302045

Type

Utility Model

Filing

03/03/1983

Publication

10/09/1984

Progress at the INPI

  1. Filing03/03/83
  2. Publication10/09/84
  3. Examination01/02/85
  4. Allowance02/17/87
  5. Grant09/29/87
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

12/15/1987

RPI 895

Concessão da patente

#16.1

09/29/1987

RPI 884

Deferimento

#9.1

02/17/1987

RPI 852

15.10

10/29/1986

RPI 836

Conhecimento de parecer técnico

#7.1

01/14/1986

RPI 795

14.1

08/27/1985

RPI 775

Solicitação de exame técnico

#4.1

01/02/1985

RPI 741

Publicação do pedido de patente

#3.1

10/09/1984

RPI 729

Pedido de patente depositado

#2.1

04/19/1983

RPI 652

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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