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Official data from INPI

SEM TITULO

Em AnáliseUtility Model

Application data

Number

MU5801353

Type

Utility Model

Filing

09/27/1978

Publication

-

Progress at the INPI

  1. Filing09/27/78
  2. Publication
  3. Examination06/01/82
  4. Allowance07/05/83
  5. Grant02/28/84
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 08/07/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Giroflex S/A

SP, BR

See this company's full portfolio

Inventors

B. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

08/07/1984

RPI 720

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/05/1983

RPI 663

Solicitação de exame técnico

#4.1

06/01/1982

RPI 606

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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