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Official data from INPI

SEM TITULO

Em AnáliseUtility Model

Application data

Number

MU6200843

Type

Utility Model

Filing

06/17/1982

Publication

01/24/1984

Progress at the INPI

  1. Filing06/17/82
  2. Publication01/24/84
  3. Examination05/15/84
  4. Allowance07/09/85
  5. Grant04/29/86
  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: 11/04/1986. 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).

20.7

11/04/1986

RPI 837

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

01/24/1984

RPI 692

Pedido de patente depositado

#2.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

20.4

05/14/1991

RPI 1067

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