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Official data from INPI

AVISADOR ACUSTICO ELETROPNEUMATICO

ConcedidaInvention Patent

Application data

Number

PI7806701

Type

Invention Patent

Filing

10/14/1977

Publication

-

Progress at the INPI

  1. Filing10/14/77
  2. Publication
  3. Examination
  4. Allowance06/22/82
  5. Grant01/11/83
  6. Expired05/03/94

The letters patent expired on 05/03/1994: 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: 01/11/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FIAMM SPA

Inventors

F. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/11/1983

RPI 638

Notificação para pagamento de retribuição

#13.1

10/05/1982

RPI 624

Deferimento

#9.1

06/22/1982

RPI 609

Exigência - art. 36 da LPI

#6.1

12/29/1981

RPI 584

Carta-patente expirada

#21.1

05/03/1994

RPI 1222

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