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Official data from INPI

SEM TITULO

ConcedidaUtility Model
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Application data

Number

MU6101960

Type

Utility Model

Filing

04/10/1981

Publication

01/26/1982
View on INPI

Progress at the INPI

  1. Filing04/10/81
  2. Publication01/26/82
  3. Examination04/20/82
  4. Allowance07/21/87
  5. Grant01/26/88
  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: 01/26/1988. 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

01/26/1988

RPI 901

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

Deferimento

#9.1

07/21/1987

RPI 874

15.10

03/17/1987

RPI 856

Exigência - art. 36 da LPI

#6.1

09/30/1986

RPI 832

Exigência - art. 36 da LPI

#6.1

01/14/1986

RPI 795

Pedido de certificado de adição de invenção

#5.1

09/14/1982

RPI 621

Solicitação de exame técnico

#4.1

04/20/1982

RPI 600

Publicação antecipada

#3.2

01/26/1982

RPI 588

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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