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Official data from INPI

APARELHO E PROCESSO PARA DETECTAR TRACOS DE VAPORES

ConcedidaInvention Patent

Application data

Number

PI7901614

Type

Invention Patent

Filing

03/15/1978

Publication

-

Progress at the INPI

  1. Filing03/15/78
  2. Publication
  3. Examination
  4. Allowance09/14/82
  5. Grant04/26/83
  6. Terminated01/28/92

The patent was granted on 04/26/1983 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: 04/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PYE LTD

Inventors

B. D. (pessoa física)

F. R. (pessoa física)

K. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Deferimento

#9.1

09/14/1982

RPI 621

Exigência - art. 36 da LPI

#6.1

03/23/1982

RPI 596

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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