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Official data from INPI

APARELHO RESPONDEDOR TELEFÔNICO.

Em AnáliseInvention Patent

Application data

Number

PI8004946

Type

Invention Patent

Filing

01/06/1980

Publication

04/06/1982

Progress at the INPI

  1. Filing01/06/80
  2. Publication04/06/82
  3. Examination08/03/82
  4. Allowance08/09/83
  5. Grant02/28/84
  6. Terminated06/21/88

The patent was granted on 02/28/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMPER S/A

Inventors

C. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Cessão de direito de exploração

#22.1

12/10/1985

RPI 790

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/29/1983

RPI 684

Deferimento

#9.1

08/09/1983

RPI 668

Exigência - art. 36 da LPI

#6.1

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

08/03/1982

RPI 615

Publicação do pedido de patente

#3.1

04/06/1982

RPI 598

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