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Official data from INPI

LUBRIFICANTE DE MANCAL DE VÁLVULA DE RETENÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8001402

Type

Invention Patent

Filing

03/10/1980

Publication

-

Progress at the INPI

  1. Filing03/10/80
  2. Publication
  3. Examination03/02/82
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Terminated11/03/93

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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

S. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

19.809 · 03/12/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

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

Exigência - art. 36 da LPI

#6.1

12/13/1983

RPI 686

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

Anuidade - prazo legal encerrado

#18.2

11/03/1993

RPI 1196

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