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Official data from INPI

SEM TITULO

ConcedidaUtility Model
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Application data

Number

MU6001801

Type

Utility Model

Filing

07/03/1980

Publication

01/21/1981
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Progress at the INPI

  1. Filing07/03/80
  2. Publication01/21/81
  3. Examination
  4. Allowance11/12/85
  5. Grant06/24/86
  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.

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Latest action published by the INPI: 06/24/1986. 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

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/15/1986

RPI 808

Deferimento

#9.1

11/12/1985

RPI 786

Exigência - art. 36 da LPI

#6.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

07/31/1984

RPI 719

15.10

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

01/21/1981

RPI 535

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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