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Official data from INPI

Telefone com visor numérico-teclado digital-punho com som canalizado e sistema de cobrança por ficha eletrônica.

ConcedidaInvention Patent

Application data

Number

PI7804885

Type

Invention Patent

Filing

07/28/1978

Publication

-

Progress at the INPI

  1. Filing07/28/78
  2. Publication
  3. Examination02/24/82
  4. Allowance08/16/83
  5. Grant03/27/84
  6. Expired12/14/93

The letters patent expired on 12/14/1993: 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: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

SP, BR

Inventors

D. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

10/25/1983

RPI 679

100

08/16/1983

RPI 669

Petição de recurso

#12.2

04/12/1983

RPI 651

Indeferimento

#9.2

12/21/1982

RPI 635

Pedido de certificado de adição de invenção

#5.1

08/17/1982

RPI 617

8.1

06/22/1982

RPI 609

Solicitação de exame técnico

#4.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

12/14/1993

RPI 1202

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