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Official data from INPI

APERFEIÇOAMENTOS INTRODUZIDOS EM CAMARA DE CONSERVAÇÃO DE TEMPERATURAS.

Em AnáliseInvention Patent

Application data

Number

PI8802617

Type

Invention Patent

Filing

05/31/1988

Publication

01/17/1989

Progress at the INPI

  1. Filing05/31/88
  2. Publication01/17/89
  3. Examination03/21/89
  4. Allowance10/27/92
  5. Grant06/29/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 03/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. R. (pessoa física)

SP, BR

Inventors

D. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/21/1989

RPI 961

Publicação antecipada

#3.2

01/17/1989

RPI 952

Pedido de patente depositado

#2.1

10/25/1988

RPI 940

Carta-patente expirada

#21.1

Patente extinta em 31/05/2003

09/02/2008

RPI 1965

20.11

02/01/1994

RPI 1209

20.4

10/05/1993

RPI 1192

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

03/09/1993

RPI 1162

Deferimento

#9.1

10/27/1992

RPI 1143

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