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Official data from INPI

CABEÇA DE APERTO

Em ExigênciaInvention Patent

Application data

Number

PI8507007

Type

Invention Patent

Filing

09/13/1985

Publication

01/06/1987

Progress at the INPI

  1. Filing09/13/85
  2. Publication01/06/87
  3. Examination07/26/88
  4. Allowance05/01/90
  5. Grant10/30/90
  6. Terminated08/15/95

The patent was granted on 10/30/1990 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. I. (pessoa física)

US

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Inventors

J. K. (pessoa física)

US

S. K. (pessoa física)

US

W. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

663.790 · 10/23/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/31/1989

RPI 993

Solicitação de exame técnico

#4.1

07/26/1988

RPI 927

Notificação de entrada na fase nacional - PCT

#1.3

01/06/1987

RPI 846

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

10/30/1990

RPI 1039

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

05/01/1990

RPI 1016

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