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Official data from INPI

FECHADURA CILINDRICA OPERADA A CHAVE E A RESPECTIVA CHAVE

Em AnáliseInvention Patent

Application data

Number

PI8005764

Type

Invention Patent

Filing

09/07/1979

Publication

-

Progress at the INPI

  1. Filing09/07/79
  2. Publication
  3. Examination08/30/83
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Terminated09/26/89

The patent was granted on 03/26/1985 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

WAERTSILAE OY AB

Inventors

M. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

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