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Official data from INPI

SEM TITULO

Em AnáliseUtility Model

Application data

Number

MU6101968

Type

Utility Model

Filing

11/16/1981

Publication

04/06/1982

Progress at the INPI

  1. Filing11/16/81
  2. Publication04/06/82
  3. Examination08/24/82
  4. Allowance12/08/87
  5. Grant07/26/88
  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: 07/25/1989. 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 voluntária

#17.1

07/25/1989

RPI 979

Concessão da patente

#16.1

07/26/1988

RPI 927

100

12/08/1987

RPI 894

15.10

10/06/1987

RPI 885

120

04/07/1987

RPI 859

Petição de recurso

#12.2

10/29/1986

RPI 836

Indeferimento

#9.2

07/08/1986

RPI 820

Conhecimento de parecer técnico

#7.1

01/10/1984

RPI 690

Pedido de certificado de adição de invenção

#5.1

02/16/1983

RPI 643

Solicitação de exame técnico

#4.1

08/24/1982

RPI 618

Publicação antecipada

#3.2

04/06/1982

RPI 598

Pedido de patente depositado

#2.1

12/29/1981

RPI 584

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

201

04/24/1990

RPI 1015

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