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Official data from INPI

FORNO PARA O TRATAMENTO TÉRMICO DE PEÇAS

Em AnáliseInvention Patent

Application data

Number

PI8602318

Type

Invention Patent

Filing

05/21/1986

Publication

01/21/1987

Progress at the INPI

  1. Filing05/21/86
  2. Publication01/21/87
  3. Examination03/21/89
  4. Allowance01/29/91
  5. Grant08/27/91
  6. Terminated09/26/95

The patent was granted on 08/27/1991 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: 03/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. A. (pessoa física)

DE

Inventors

W. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 18 347.0 · 05/22/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/21/1989

RPI 961

Publicação do pedido de patente

#3.1

01/21/1987

RPI 848

Pedido de patente depositado

#2.1

11/18/1986

RPI 839

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

05/14/1991

RPI 1067

Deferimento

#9.1

01/29/1991

RPI 1052

Exigência - art. 36 da LPI

#6.1

03/01/1990

RPI 1007

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