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Official data from INPI

SEM TITULO

Em AnáliseUtility Model

Application data

Number

MU5901856

Type

Utility Model

Filing

12/06/1979

Publication

-

Progress at the INPI

  1. Filing12/06/79
  2. Publication
  3. Examination09/06/83
  4. Allowance03/18/86
  5. Grant03/17/87
  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: 09/06/1988. 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).

20.7

09/06/1988

RPI 933

Concessão da patente

#16.1

03/17/1987

RPI 856

Notificação para pagamento de retribuição

#13.1

07/15/1986

RPI 821

Deferimento

#9.1

03/18/1986

RPI 804

Republicação - classificação IPC

#15.11

07/23/1985

RPI 770

Exigência - art. 36 da LPI

#6.1

07/23/1985

RPI 770

15.10

06/25/1985

RPI 766

Exigência - art. 36 da LPI

#6.1

10/09/1984

RPI 729

14.1

05/29/1984

RPI 710

Solicitação de exame técnico

#4.1

09/06/1983

RPI 672

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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