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Official data from INPI

Agenda sanfonada.

Em AnáliseUtility Model

Application data

Number

MU6000417

Type

Utility Model

Filing

04/15/1980

Publication

11/24/1981

Progress at the INPI

  1. Filing04/15/80
  2. Publication11/24/81
  3. Examination06/01/82
  4. Allowance08/30/83
  5. Grant02/28/84
  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: 12/18/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. I. (pessoa física)

Inventors

I. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

12/18/1984

RPI 739

16.3

05/15/1984

RPI 708

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

12/20/1983

RPI 687

Deferimento

#9.1

08/30/1983

RPI 671

Pedido de certificado de adição de invenção

#5.1

11/16/1982

RPI 630

Solicitação de exame técnico

#4.1

06/01/1982

RPI 606

Publicação do pedido de patente

#3.1

11/24/1981

RPI 579

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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