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Official data from INPI

Forno contínuo com aquecimento elétrico.

ConcedidaInvention Patent

Application data

Number

PI7808392

Type

Invention Patent

Filing

12/21/1978

Publication

-

Progress at the INPI

  1. Filing12/21/78
  2. Publication
  3. Examination
  4. Allowance03/09/82
  5. Grant09/27/83
  6. Terminated09/18/90

The patent was granted on 09/27/1983 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: 09/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alkem GmbH

DE

See this company's full portfolio

Inventors

W. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1983

RPI 675

110

07/26/1983

RPI 666

110

05/31/1983

RPI 658

Recurso

#12.1

08/03/1982

RPI 615

Deferimento

#9.1

03/09/1982

RPI 594

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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