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Official data from INPI

APERFEICOAMENTO INTRODUZIDO EM ROLETE PARA CILINDROS DE MAQUINAS TEXTEIS

ConcedidaInvention Patent

Application data

Number

PI8404977

Type

Invention Patent

Filing

09/28/1984

Publication

06/18/1985

Progress at the INPI

  1. Filing09/28/84
  2. Publication06/18/85
  3. Examination10/01/85
  4. Allowance06/21/88
  5. Grant03/28/89
  6. Terminated03/03/92

The patent was granted on 03/28/1989 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. O. (pessoa física)

Inventors

O. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Republicação - classificação IPC

#15.11

08/02/1988

RPI 928

Deferimento

#9.1

06/21/1988

RPI 922

14.1

10/06/1987

RPI 885

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

Publicação antecipada

#3.2

06/18/1985

RPI 765

Pedido de patente depositado

#2.1

12/11/1984

RPI 738

Anuidade - prazo legal encerrado

#18.2

03/03/1992

RPI 1109

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