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Official data from INPI

SISTEMA DE TRAÇÃO SEM-FIM

Em AnáliseInvention Patent

Application data

Number

PI8406996

Type

Invention Patent

Filing

07/25/1984

Publication

06/11/1985

Progress at the INPI

  1. Filing07/25/84
  2. Publication06/11/85
  3. Examination10/06/87
  4. Allowance05/02/89
  5. Grant04/24/90
  6. Terminated05/14/96

The patent was granted on 04/24/1990 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: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Edwards, Harper, McNew and Company, empresa norte-americana

US

Inventors

D. H. (pessoa física)

US

J. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

516.831 · 07/25/1983

US

607.067 · 05/05/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/02/1989

RPI 967

Exigência - art. 36 da LPI

#6.1

07/26/1988

RPI 927

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Solicitação de exame não realizada

#4.2

06/16/1987

RPI 869

Notificação de entrada na fase nacional - PCT

#1.3

06/11/1985

RPI 764

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

Concessão da patente

#16.1

04/24/1990

RPI 1015

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