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Official data from INPI

RADIADOR REDONDO PARA MATERIAL QUENTE,A GRANEL

ConcedidaInvention Patent

Application data

Number

PI7700950

Type

Invention Patent

Filing

03/30/1976

Publication

-

Progress at the INPI

  1. Filing03/30/76
  2. Publication
  3. Examination
  4. Allowance04/06/82
  5. Grant11/16/82
  6. Terminated10/23/90

The patent was granted on 11/16/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/16/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

METALLGESELLSCHAFT AG

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Inventors

E. H. (pessoa física)

M. D. (pessoa física)

M. K. (pessoa física)

W. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/16/1982

RPI 630

Notificação para pagamento de retribuição

#13.1

07/27/1982

RPI 614

Deferimento

#9.1

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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