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Official data from INPI

APERFEICOAMENTO EM INSTRUMENTOS PARA LUBRIFICAR CORTADORES A DISCO

ConcedidaInvention Patent

Application data

Number

PI8304524

Type

Invention Patent

Filing

08/17/1983

Publication

03/26/1985

Progress at the INPI

  1. Filing08/17/83
  2. Publication03/26/85
  3. Examination06/16/87
  4. Allowance04/12/88
  5. Grant03/28/89
  6. Terminated05/02/95

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

T. B. (pessoa física)

Inventors

B. [. (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

07/26/1988

RPI 927

Deferimento

#9.1

04/12/1988

RPI 912

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação do pedido de patente

#3.1

03/26/1985

RPI 753

Pedido de patente depositado

#2.1

10/25/1983

RPI 679

Anuidade - prazo legal encerrado

#18.2

05/02/1995

RPI 1274

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