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Official data from INPI

SEM TITULO

Em AnáliseUtility Model

Application data

Number

MU5901031

Type

Utility Model

Filing

08/06/1979

Publication

-

Progress at the INPI

  1. Filing08/06/79
  2. Publication
  3. Examination
  4. Allowance12/13/83
  5. Grant09/25/84
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 09/23/1986. 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).

Pedido de licença compulsória

#20.1

09/23/1986

RPI 831

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

Exigência - art. 36 da LPI

#6.1

05/31/1983

RPI 658

15.0

08/17/1982

RPI 617

Exigência - art. 36 da LPI

#6.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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