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Official data from INPI

Cilindro de fluido de movimento perdido.

ConcedidaInvention Patent

Application data

Number

PI8307468

Type

Invention Patent

Filing

07/26/1983

Publication

07/17/1984

Progress at the INPI

  1. Filing07/26/83
  2. Publication07/17/84
  3. Examination01/15/85
  4. Allowance10/14/86
  5. Grant06/30/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Applied Power Inc.

US

See this company's full portfolio

Inventors

J. F. (pessoa física)

T. O. (pessoa física)

NL

Technical data

IPC Classification

No IPC classification.

Priority claims

US

83/01136 · 07/26/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/10/1987

RPI 855

Deferimento

#9.1

10/14/1986

RPI 834

Exigência - art. 36 da LPI

#6.1

12/24/1985

RPI 792

Solicitação de exame técnico

#4.1

01/15/1985

RPI 743

Notificação de entrada na fase nacional - PCT

#1.3

07/17/1984

RPI 717

Carta-patente expirada

#21.1

Patente extinta em 26/07/98

07/01/2008

RPI 1956

20.7

02/09/1993

RPI 1158

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