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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8107571

Type

Invention Patent

Filing

11/20/1981

Publication

08/17/1982

Progress at the INPI

  1. Filing11/20/81
  2. Publication08/17/82
  3. Examination09/11/84
  4. Allowance06/11/85
  5. Grant10/29/85
  6. Terminated03/19/96

The patent was granted on 10/29/1985 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

Inventors

G. J. (pessoa física)

N. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

09/24/1985

RPI 779

Deferimento

#9.1

06/11/1985

RPI 764

Solicitação de exame técnico

#4.1

09/11/1984

RPI 725

Publicação do pedido de patente

#3.1

08/17/1982

RPI 617

Pedido de patente depositado

#2.1

01/05/1982

RPI 585

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

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