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Official data from INPI

ESTRUTURA DE APOIO PARA EXTENSAO DE BASE CONVERSIVEL

ConcedidaInvention Patent

Application data

Number

PI8401179

Type

Invention Patent

Filing

03/25/1983

Publication

02/26/1985

Progress at the INPI

  1. Filing03/25/83
  2. Publication02/26/85
  3. Examination06/18/85
  4. Allowance06/21/88
  5. Grant02/28/89
  6. Terminated02/25/92

The patent was granted on 02/28/1989 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SINGER BRASIL [BR]

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Inventors

A. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/21/1988

RPI 922

14.7

08/12/1986

RPI 825

14.4

08/05/1986

RPI 824

14.1

07/29/1986

RPI 823

Solicitação de exame técnico

#4.1

06/18/1985

RPI 765

Publicação do pedido de patente

#3.1

02/26/1985

RPI 749

Pedido de patente depositado

#2.1

05/29/1984

RPI 710

Anuidade - prazo legal encerrado

#18.2

02/25/1992

RPI 1108

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