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Official data from INPI

APLICADOR DE MICROONDAS PARA PROCESSAMENTO CONTINUO DE MATERIAIS FLUIDOS OU GRANULADOS

Em AnáliseUtility Model

Application data

Number

MU6100763

Type

Utility Model

Filing

06/08/1981

Publication

01/11/1983

Progress at the INPI

  1. Filing06/08/81
  2. Publication01/11/83
  3. Examination09/20/83
  4. Allowance06/12/84
  5. Grant12/26/84
  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.

Talk to a specialist

Latest action published by the INPI: 05/07/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INST MAUA TECN IMT [BR]

Inventors

S. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

05/07/1985

RPI 759

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/02/1984

RPI 728

Deferimento

#9.1

06/12/1984

RPI 712

Solicitação de exame técnico

#4.1

09/20/1983

RPI 674

Publicação do pedido de patente

#3.1

01/11/1983

RPI 638

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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