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Official data from INPI

APARELHO PARA MEDIR NÍVEL DE CARGA EM FORNOS ROTATIVOS CILÍNDRICOS DE REDUÇÃO DIRETA.

ConcedidaInvention Patent

Application data

Number

PI8401153

Type

Invention Patent

Filing

03/09/1984

Publication

09/25/1984

Progress at the INPI

  1. Filing03/09/84
  2. Publication09/25/84
  3. Examination06/04/85
  4. Allowance04/26/88
  5. Grant12/27/88
  6. Terminated02/25/92

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.

Talk to a specialist

Latest action published by the INPI: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aços Finos Piratini S/A

RS, BR

Inventors

C. M. (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

08/09/1988

RPI 929

Deferimento

#9.1

04/26/1988

RPI 914

Retificação

#15.6

11/24/1987

RPI 892

Alteração de numeração

#15.1

09/01/1987

RPI 880

Exigência - art. 36 da LPI

#6.1

07/15/1986

RPI 821

Solicitação de exame técnico

#4.1

06/04/1985

RPI 763

Publicação antecipada

#3.2

09/25/1984

RPI 727

Pedido de patente depositado

#2.1

05/29/1984

RPI 710

Anuidade - prazo legal encerrado

#18.2

02/25/1992

RPI 1108

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