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Official data from INPI

PROCESSO E DISPOSITIVO DE DESINTEGRACAO DE MATERIA

ConcedidaInvention Patent

Application data

Number

PI7908664

Type

Invention Patent

Filing

04/26/1979

Publication

-

Progress at the INPI

  1. Filing04/26/79
  2. Publication
  3. Examination03/09/82
  4. Allowance05/14/85
  5. Grant11/26/85
  6. Expired05/09/95

The letters patent expired on 05/09/1995: 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: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FINDUS

Inventors

S. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

09/03/1985

RPI 776

Deferimento

#9.1

05/14/1985

RPI 760

14.1

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

08/23/1983

RPI 670

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Carta-patente expirada

#21.1

05/09/1995

RPI 1275

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