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Official data from INPI

VENTILADOR TANGENCIAL DE FLUXO DIRIGIDO

Arquivada/ExtintaUtility Model

Application data

Number

MU5600022

Type

Utility Model

Filing

01/09/1976

Publication

-

Progress at the INPI

  1. Filing01/09/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Expired07/15/86

The letters patent expired on 07/15/1986: 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: 07/15/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. K. (pessoa física)

Inventors

S. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

07/15/1986

RPI 821

201

10/13/1982

RPI 625

Pedido de licença voluntária

#17.1

05/04/1982

RPI 602

Concessão da patente

#16.1

02/24/1982

RPI 592

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