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Official data from INPI

DISPOSITIVO DE TERMINAÇÃO RECUPERÁVEL ATRAVÉS DE CALOR

Em AnáliseInvention Patent

Application data

Number

PI8602452

Type

Invention Patent

Filing

05/28/1986

Publication

01/27/1987

Progress at the INPI

  1. Filing05/28/86
  2. Publication01/27/87
  3. Examination04/25/89
  4. Allowance01/26/93
  5. Grant07/27/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

US

See this company's full portfolio

Inventors

L. V. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

738.623 · 05/28/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/25/1989

RPI 966

Publicação do pedido de patente

#3.1

01/27/1987

RPI 849

Pedido de patente depositado

#2.1

12/23/1986

RPI 844

Carta-patente expirada

#21.1

Patente extinta em 28/05/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

05/11/1993

RPI 1171

Deferimento

#9.1

01/26/1993

RPI 1156

Exigência - art. 36 da LPI

#6.1

09/03/1991

RPI 1083

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