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Official data from INPI

APARELHO PARA AUXILIAR PESSOAS LARINGETOMIZADAS A FALAREM

Em AnáliseInvention Patent

Application data

Number

PI7706671

Type

Invention Patent

Filing

10/05/1977

Publication

-

Progress at the INPI

  1. Filing10/05/77
  2. Publication
  3. Examination
  4. Allowance08/17/82
  5. Grant02/22/83
  6. Terminated10/23/90

The patent was granted on 02/22/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. W. (pessoa física)

Inventors

A. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.8

11/01/1988

RPI 941

Anuidade - prazo legal encerrado

#18.2

09/06/1988

RPI 933

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

12/28/1982

RPI 636

Deferimento

#9.1

08/17/1982

RPI 617

Exigência - art. 36 da LPI

#6.1

02/24/1982

RPI 592

14.1

10/20/1981

RPI 574

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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