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Official data from INPI

APERFEIÇOAMENTO EM TRANSMISSÃO

ConcedidaInvention Patent

Application data

Number

PI8500927

Type

Invention Patent

Filing

03/01/1985

Publication

10/22/1985

Progress at the INPI

  1. Filing03/01/85
  2. Publication10/22/85
  3. Examination10/13/87
  4. Allowance06/20/89
  5. Grant11/28/89
  6. Terminated07/25/95

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

J. Y. (pessoa física)

Technical data

IPC Classification

Priority claims

US

585.802 · 03/02/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Deferimento

#9.1

06/20/1989

RPI 974

Republicação - classificação IPC

#15.11

01/10/1989

RPI 951

Exigência - art. 36 da LPI

#6.1

12/13/1988

RPI 947

Solicitação de exame técnico

#4.1

10/13/1987

RPI 886

Publicação do pedido de patente

#3.1

10/22/1985

RPI 783

Pedido de patente depositado

#2.1

05/21/1985

RPI 761

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era G05G 5/10.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

07/25/1995

RPI 1286

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