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Official data from INPI

DISPOSIÇAO INTRODUZIDA EM CAMARA DE CONSERVAÇAO DE TEMPERATURAS.

Arquivada/ExtintaUtility Model

Application data

Number

MU6902702

Type

Utility Model

Filing

04/24/1989

Publication

-

Progress at the INPI

  1. Filing04/24/89
  2. Publication
  3. Examination
  4. Allowance04/20/93
  5. Grant08/31/93
  6. Expired11/20/01

The letters patent expired on 11/20/2001: 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: 11/20/2001. 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).

Carta-patente expirada

#21.1

Patente extinta em 24/04/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Pedido de licença compulsória

#20.1

02/01/1994

RPI 1209

Concessão da patente

#16.1

08/31/1993

RPI 1187

Deferimento

#9.1

04/20/1993

RPI 1168

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