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Official data from INPI

PROCESSO DE TEMPERA DE UMA FOLHA DE VIDRO AQUECIDA E APERFEICOAMENTO EM UMA UNIDADE DE RESFRIAMENTO BRUSCO DE FOLHA DE VIDRO

ConcedidaInvention Patent

Application data

Number

PI8300504

Type

Invention Patent

Filing

02/05/1982

Publication

11/08/1983

Progress at the INPI

  1. Filing02/05/82
  2. Publication11/08/83
  3. Examination01/31/84
  4. Allowance05/17/88
  5. Grant12/27/88
  6. Terminated04/18/95

The patent was granted on 12/27/1988 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NITSCHKE JOHN STEPHEN [US]

Inventors

N. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

04/16/1985

RPI 756

Pedido de certificado de adição de invenção

#5.1

06/19/1984

RPI 713

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/22/1983

RPI 648

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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