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Official data from INPI

UNIDADE PROGRAMADORA-LEITORA PARA UM MEDIDOR DE ENERGIA ELÉTRICA PROGRÁMAVEL REGISTRADOR DE TEMPO.

ConcedidaInvention Patent

Application data

Number

PI8001847

Type

Invention Patent

Filing

03/27/1980

Publication

-

Progress at the INPI

  1. Filing03/27/80
  2. Publication
  3. Examination03/08/83
  4. Allowance02/21/84
  5. Grant07/31/84
  6. Terminated02/04/92

The patent was granted on 07/31/1984 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: 09/18/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

W. T. (pessoa física)

Technical data

IPC Classification

Priority claims

US

025.514 · 03/30/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

09/18/1984

RPI 726

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/21/1984

RPI 696

Republicação - classificação IPC

#15.11

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

09/13/1983

RPI 673

Solicitação de exame técnico

#4.1

03/08/1983

RPI 646

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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