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Official data from INPI

ESTRUTURA DUPLAMENTE VITRIFICADA RESISTENTE AO IMPACTO E ESTRUTURA LAMINADA

ConcedidaInvention Patent

Application data

Number

PI8103759

Type

Invention Patent

Filing

06/12/1981

Publication

01/18/1983

Progress at the INPI

  1. Filing06/12/81
  2. Publication01/18/83
  3. Examination04/02/85
  4. Allowance09/06/88
  5. Grant04/25/89
  6. Terminated09/13/94

The patent was granted on 04/25/1989 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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

M. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/25/1989

RPI 966

Notificação para pagamento de retribuição

#13.1

12/27/1988

RPI 949

Deferimento

#9.1

09/06/1988

RPI 933

Republicação - classificação IPC

#15.11

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

02/17/1988

RPI 904

Solicitação de exame técnico

#4.1

04/02/1985

RPI 754

Publicação do pedido de patente

#3.1

01/18/1983

RPI 639

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C03C 27/12; B32B 17/10; C09J 3/14.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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