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Official data from INPI

PROCESSO PARA TRATAMENTO TÉRMICO DE MATERIAL EM UM REATOR DE LEITE FLUIDIFICADO.

ConcedidaInvention Patent

Application data

Number

PI7906618

Type

Invention Patent

Filing

10/15/1979

Publication

-

Progress at the INPI

  1. Filing10/15/79
  2. Publication
  3. Examination06/28/83
  4. Allowance11/17/87
  5. Grant03/29/88
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. O. (pessoa física)

FI

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Inventors

E. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

100

11/17/1987

RPI 891

120

07/01/1986

RPI 819

Petição de recurso

#12.2

01/02/1985

RPI 741

Indeferimento

#9.2

09/18/1984

RPI 726

Solicitação de exame técnico

#4.1

06/28/1983

RPI 662

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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