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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE UMA JUNTA ENTRE UM TUBO DE METAL DE PEQUENO DIÂMETRO E UM TUBO DE METAL DE GRANDE DIÂMETRO

Em AnáliseInvention Patent

Application data

Number

PI8200215

Type

Invention Patent

Filing

01/14/1982

Publication

11/09/1982

Progress at the INPI

  1. Filing01/14/82
  2. Publication11/09/82
  3. Examination01/15/85
  4. Allowance02/12/86
  5. Grant09/30/86
  6. Terminated05/24/88

The patent was granted on 09/30/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

N. H. (pessoa física)

US

W. I. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

224.991 · 01/14/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

01/15/1985

RPI 743

Publicação do pedido de patente

#3.1

11/09/1982

RPI 629

Pedido de patente depositado

#2.1

03/09/1982

RPI 594

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