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Official data from INPI

PROCESSO PARA A DEPOSICAO SEM PREJUIZOS DE SUBSTANCIAS RESIDUAIS

ConcedidaInvention Patent

Application data

Number

PI8108846

Type

Invention Patent

Filing

10/21/1980

Publication

09/21/1982

Progress at the INPI

  1. Filing10/21/80
  2. Publication09/21/82
  3. Examination06/19/84
  4. Allowance10/14/86
  5. Grant06/30/87
  6. Terminated09/25/90

The patent was granted on 06/30/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

METALLGESELLSCHAFT AG [DE]

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Inventors

H. [. (pessoa física)

W. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/10/1987

RPI 855

Deferimento

#9.1

10/14/1986

RPI 834

Exigência - art. 36 da LPI

#6.1

12/10/1985

RPI 790

6.2

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

06/19/1984

RPI 713

Notificação de entrada na fase nacional - PCT

#1.3

09/21/1982

RPI 622

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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