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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU5901843

Type

Utility Model

Filing

08/09/1979

Publication

-

Progress at the INPI

  1. Filing08/09/79
  2. Publication
  3. Examination04/27/82
  4. Allowance05/27/86
  5. Grant12/30/86
  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: 12/30/1986. 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).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/23/1986

RPI 831

Deferimento

#9.1

05/27/1986

RPI 814

Exigência - art. 36 da LPI

#6.1

07/23/1985

RPI 770

Exigência - art. 36 da LPI

#6.1

02/12/1985

RPI 747

Exigência - art. 36 da LPI

#6.1

07/31/1984

RPI 719

15.10

07/24/1984

RPI 718

Conhecimento de parecer técnico

#7.1

03/08/1983

RPI 646

Solicitação de exame técnico

#4.1

04/27/1982

RPI 601

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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