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Official data from INPI

VENTILADOR AXIAL .

ConcedidaInvention Patent

Application data

Number

PI7803087

Type

Invention Patent

Filing

05/16/1978

Publication

-

Progress at the INPI

  1. Filing05/16/78
  2. Publication
  3. Examination
  4. Allowance09/08/82
  5. Grant03/29/83
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 03/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. F. (pessoa física)

Inventors

S. E. (pessoa física)

Technical data

IPC Classification

Priority claims

SE

P: 7705826-1 · 05/17/1977

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

09/08/1982

RPI 620

Exigência - art. 36 da LPI

#6.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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