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Official data from INPI

SEM TITULO

ConcedidaUtility Model
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Application data

Number

MU6001847

Type

Utility Model

Filing

09/26/1980

Publication

06/01/1982
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Progress at the INPI

  1. Filing09/26/80
  2. Publication06/01/82
  3. Examination08/31/82
  4. Allowance02/17/87
  5. Grant09/29/87
  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: 09/29/1987. 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

09/29/1987

RPI 884

Deferimento

#9.1

02/17/1987

RPI 852

15.10

10/07/1986

RPI 833

Conhecimento de parecer técnico

#7.1

09/17/1985

RPI 778

Conhecimento de parecer técnico

#7.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

08/31/1982

RPI 619

Publicação do pedido de patente

#3.1

06/01/1982

RPI 606

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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