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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6101907

Type

Utility Model

Filing

02/24/1981

Publication

-

Progress at the INPI

  1. Filing02/24/81
  2. Publication
  3. Examination03/02/82
  4. Allowance07/19/83
  5. Grant02/28/84
  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: 02/28/1984. 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

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

15.10

05/17/1983

RPI 656

Exigência - art. 36 da LPI

#6.1

01/11/1983

RPI 638

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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