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Official data from INPI

LANCA PARA O TRATAMENTO TERMICO DE FASES LIQUIDAS DE FUSAO

Em AnáliseInvention Patent

Application data

Number

PI7908191

Type

Invention Patent

Filing

12/22/1978

Publication

-

Progress at the INPI

  1. Filing12/22/78
  2. Publication
  3. Examination05/11/82
  4. Allowance01/24/84
  5. Grant07/31/84
  6. Terminated05/17/88

The patent was granted on 07/31/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KLOECKNER HUMBOLDT DEUTZ AG

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Inventors

S. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

02/01/1983

RPI 641

Solicitação de exame técnico

#4.1

05/11/1982

RPI 603

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