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Official data from INPI

DISPOSITIVO DE UTILIZAÇÃO DE ENERGIA CALORIFICA CONTIDA EM RESÍDUOS INDUSTRIAIS. AGRÍCOLAS OU DOMÉSTICOS.

ConcedidaInvention Patent

Application data

Number

PI7802832

Type

Invention Patent

Filing

05/05/1978

Publication

-

Progress at the INPI

  1. Filing05/05/78
  2. Publication
  3. Examination
  4. Allowance01/05/82
  5. Grant08/31/82
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 08/31/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALSTHOM-ATLANTIQUE

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Inventors

P. J. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

77 13 818 · 05/06/1977

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

05/04/1982

RPI 602

Deferimento

#9.1

01/05/1982

RPI 585

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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