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Official data from INPI

PROCESSO E APARELHO PARA TRATAMENTO TÉRMICO DE PEÇAS METÁLICAS

Em ExigênciaInvention Patent

Application data

Number

PI8504296

Type

Invention Patent

Filing

09/05/1985

Publication

06/17/1986

Progress at the INPI

  1. Filing09/05/85
  2. Publication06/17/86
  3. Examination09/02/86
  4. Allowance01/09/90
  5. Grant06/26/90
  6. Terminated09/19/95

The patent was granted on 06/26/1990 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. A. (pessoa física)

DE

See this company's full portfolio

Inventors

W. D. (pessoa física)

BR

Technical data

IPC Classification

Priority claims

DE

P 34 32 952.8 · 09/07/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

07/18/1989

RPI 978

Exigência - art. 36 da LPI

#6.1

12/13/1988

RPI 947

Solicitação de exame técnico

#4.1

09/02/1986

RPI 828

Publicação do pedido de patente

#3.1

06/17/1986

RPI 817

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

05/01/1990

RPI 1016

Deferimento

#9.1

01/09/1990

RPI 1001

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