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Official data from INPI

CAPSULA TRANSDUTORA PARA TELEFONE

Em AnáliseInvention Patent

Application data

Number

PI8000467

Type

Invention Patent

Filing

01/23/1980

Publication

-

Progress at the INPI

  1. Filing01/23/80
  2. Publication
  3. Examination09/27/83
  4. Allowance08/21/84
  5. Grant05/28/85
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 08/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. D. (pessoa física)

Inventors

D. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.8

08/02/1988

RPI 928

Pedido de licença compulsória

#20.1

08/02/1988

RPI 928

20.10

08/02/1988

RPI 928

Licença compulsória (variante)

#20.2

06/14/1988

RPI 921

Anuidade - prazo legal encerrado

#18.2

03/29/1988

RPI 910

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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