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Official data from INPI

CONJUNTO DE FECHO INVIOLÁVEL DE DUAS PEÇAS.

Em AnáliseInvention Patent

Application data

Number

PI8501952

Type

Invention Patent

Filing

04/19/1985

Publication

12/24/1985

Progress at the INPI

  1. Filing04/19/85
  2. Publication12/24/85
  3. Examination07/15/86
  4. Allowance02/13/90
  5. Grant09/25/90
  6. Terminated05/21/96

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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Flange & Manufacturing Co. Inc.

US

Inventors

D. D. (pessoa física)

US

Technical data

Priority claims

US

06/602.481 · 04/20/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

08/08/1989

RPI 981

6.2

02/14/1989

RPI 956

Solicitação de exame técnico

#4.1

07/15/1986

RPI 821

Publicação do pedido de patente

#3.1

12/24/1985

RPI 792

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

06/05/1990

RPI 1021

Deferimento

#9.1

02/13/1990

RPI 1006

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