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Official data from INPI

DISPOSITIVO DE AVISO DE ALTA TEMPERATURA

Em AnáliseInvention Patent

Application data

Number

PI8702519

Type

Invention Patent

Filing

05/18/1987

Publication

02/23/1988

Progress at the INPI

  1. Filing05/18/87
  2. Publication02/23/88
  3. Examination06/14/88
  4. Allowance06/15/93
  5. Grant04/26/94
  6. Terminated10/17/95

The patent was granted on 04/26/1994 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rastech, Inc.

US

Inventors

C. J. (pessoa física)

US

T. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

865.209 · 05/19/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/14/1988

RPI 921

Publicação do pedido de patente

#3.1

02/23/1988

RPI 905

Pedido de patente depositado

#2.1

08/18/1987

RPI 878

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

04/26/1994

RPI 1221

Notificação para pagamento de retribuição

#13.1

10/26/1993

RPI 1195

Deferimento

#9.1

06/15/1993

RPI 1176

Republicação - classificação IPC

#15.11

08/11/1992

RPI 1132

Exigência - art. 36 da LPI

#6.1

07/21/1992

RPI 1129

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