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Official data from INPI

SEM TITULO

ConcedidaUtility Model
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Application data

Number

MU6101961

Type

Utility Model

Filing

04/29/1981

Publication

01/26/1982
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Progress at the INPI

  1. Filing04/29/81
  2. Publication01/26/82
  3. Examination06/29/82
  4. Allowance05/24/88
  5. Grant03/28/89
  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: 03/28/1989. 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

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

09/20/1988

RPI 935

Deferimento

#9.1

05/24/1988

RPI 918

15.10

03/17/1987

RPI 856

Exigência - art. 36 da LPI

#6.1

07/29/1986

RPI 823

Conhecimento de parecer técnico

#7.1

04/16/1985

RPI 756

Conhecimento de parecer técnico

#7.1

02/21/1984

RPI 696

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Publicação do pedido de patente

#3.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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