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Official data from INPI

DISPOSITIVOS DETECTORES FOTO-ELECTRICOS E DISPOSITIVOS DE CIRCUITO ELETRICO

ConcedidaInvention Patent

Application data

Number

PI7808663

Type

Invention Patent

Filing

06/23/1977

Publication

-

Progress at the INPI

  1. Filing06/23/77
  2. Publication
  3. Examination
  4. Allowance02/28/84
  5. Grant09/25/84
  6. Terminated09/18/90

The patent was granted on 09/25/1984 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PARKS CRAMER CO

Inventors

W. L. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/28/1984

RPI 697

Exigência - art. 36 da LPI

#6.1

06/21/1983

RPI 661

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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