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Official data from INPI

AGLOMERAÇÃO COM MATERIAL PULVERULENTO E PROCESSO DE OBTENÇÃO.

ConcedidaUtility Model

Application data

Number

MU6200769

Type

Utility Model

Filing

05/28/1982

Publication

01/03/1984

Progress at the INPI

  1. Filing05/28/82
  2. Publication01/03/84
  3. Examination07/03/84
  4. Allowance02/12/86
  5. Grant10/29/86
  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.

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Latest action published by the INPI: 10/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fundação de Ciência e Tecnologia

RS, BR

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Inventors

E. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1986

RPI 836

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

05/21/1985

RPI 761

Solicitação de exame técnico

#4.1

07/03/1984

RPI 715

Publicação do pedido de patente

#3.1

01/03/1984

RPI 689

Pedido de patente depositado

#2.1

07/20/1982

RPI 613

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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