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Official data from INPI

SISTEMA DE CONTROLE DE FLUIDO

DeferidaInvention Patent

Application data

Number

PI8507246

Type

Invention Patent

Filing

10/03/1985

Publication

10/27/1987

Progress at the INPI

  1. Filing10/03/85
  2. Publication10/27/87
  3. Examination01/24/89
  4. Allowance11/21/89
  5. Grant06/26/90
  6. Terminated08/15/95

The patent was granted on 06/26/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

See this company's full portfolio

Inventors

A. C. (pessoa física)

Technical data

Priority claims

US

754.361 · 07/12/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/21/1989

RPI 996

Solicitação de exame técnico

#4.1

01/24/1989

RPI 953

Notificação de entrada na fase nacional - PCT

#1.3

10/27/1987

RPI 888

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: F16H 5/28; F16D 25/11.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/27/1990

RPI 1011

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