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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6101934

Type

Utility Model

Filing

08/21/1981

Publication

12/22/1981

Progress at the INPI

  1. Filing08/21/81
  2. Publication12/22/81
  3. Examination07/06/82
  4. Allowance03/18/86
  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

No 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

07/15/1986

RPI 821

Deferimento

#9.1

03/18/1986

RPI 804

15.10

12/03/1985

RPI 789

Exigência - art. 36 da LPI

#6.1

06/04/1985

RPI 763

5.2

03/20/1984

RPI 700

Conhecimento de parecer técnico

#7.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

07/06/1982

RPI 611

Publicação antecipada

#3.2

12/22/1981

RPI 583

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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