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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6101920

Type

Utility Model

Filing

04/14/1981

Publication

12/01/1981

Progress at the INPI

  1. Filing04/14/81
  2. Publication12/01/81
  3. Examination08/09/83
  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

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

09/23/1986

RPI 831

Deferimento

#9.1

05/27/1986

RPI 814

15.20

06/11/1985

RPI 764

Exigência - art. 36 da LPI

#6.1

04/16/1985

RPI 756

15.10

04/09/1985

RPI 755

Conhecimento de parecer técnico

#7.1

07/03/1984

RPI 715

Solicitação de exame técnico

#4.1

08/09/1983

RPI 668

Publicação do pedido de patente

#3.1

12/01/1981

RPI 580

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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