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Official data from INPI

SERVOFREIO

ConcedidaInvention Patent

Application data

Number

PI8502970

Type

Invention Patent

Filing

06/21/1919

Publication

03/04/1986

Progress at the INPI

  1. Filing06/21/19
  2. Publication03/04/86
  3. Examination03/15/88
  4. Allowance11/08/88
  5. Grant09/26/89
  6. Terminated07/25/95

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

L. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

626.257 · 06/29/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

02/28/1989

RPI 958

Deferimento

#9.1

11/08/1988

RPI 942

Solicitação de exame técnico

#4.1

03/15/1988

RPI 908

Publicação do pedido de patente

#3.1

03/04/1986

RPI 802

Pedido de patente depositado

#2.1

09/03/1985

RPI 776

Anuidade - prazo legal encerrado

#18.2

07/25/1995

RPI 1286

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