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Official data from INPI

PROCESSO E APARELHO PARA USINAR UM PARAFUSO DE ROSCA SEM FIM DO TIPO EVOLVENTE.

Em ExigênciaInvention Patent

Application data

Number

PI8505811

Type

Invention Patent

Filing

03/13/1985

Publication

03/25/1986

Progress at the INPI

  1. Filing03/13/85
  2. Publication03/25/86
  3. Examination10/06/87
  4. Allowance04/03/90
  5. Grant09/25/90
  6. Terminated08/15/95

The patent was granted on 09/25/1990 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

Inventors

G. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

588.967 · 03/13/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

07/18/1989

RPI 978

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Notificação de entrada na fase nacional - PCT

#1.3

03/25/1986

RPI 805

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

08/14/1990

RPI 1028

Deferimento

#9.1

04/03/1990

RPI 1012

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