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Official data from INPI

FORNO TUBULAR ROTATIVO COM REFRIGERADOR

ConcedidaInvention Patent

Application data

Number

PI8401906

Type

Invention Patent

Filing

05/09/1983

Publication

12/11/1984

Progress at the INPI

  1. Filing05/09/83
  2. Publication12/11/84
  3. Examination06/17/86
  4. Allowance05/24/88
  5. Grant12/27/88
  6. Terminated06/06/95

The patent was granted on 12/27/1988 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KRUPP POLYSIUS AG [DE]

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Inventors

G. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/20/1988

RPI 935

Deferimento

#9.1

05/24/1988

RPI 918

Solicitação de exame técnico

#4.1

06/17/1986

RPI 817

Publicação do pedido de patente

#3.1

12/11/1984

RPI 738

Pedido de patente depositado

#2.1

07/03/1984

RPI 715

Anuidade - prazo legal encerrado

#18.2

06/06/1995

RPI 1279

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