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Official data from INPI

SEM TITULO

ConcedidaInvention Patent
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Application data

Number

PI8201706

Type

Invention Patent

Filing

03/25/1982

Publication

02/22/1983
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Progress at the INPI

  1. Filing03/25/82
  2. Publication02/22/83
  3. Examination08/30/83
  4. Allowance08/12/86
  5. Grant06/30/87
  6. Terminated07/18/95

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.

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

Applicants and inventors

Applicants

I. P. (pessoa física)

IT

Inventors

M. J. (pessoa física)

Technical data

IPC Classification

C21D 9/70

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

12/02/1986

RPI 841

Deferimento

#9.1

08/12/1986

RPI 825

Republicação - classificação IPC

#15.11

07/30/1985

RPI 771

Exigência - art. 36 da LPI

#6.1

07/23/1985

RPI 770

Republicação - classificação IPC

#15.11

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

Publicação do pedido de patente

#3.1

02/22/1983

RPI 644

Pedido de patente depositado

#2.1

05/11/1982

RPI 603

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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