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Official data from INPI

Estrutura de reforço, de apoio e de sustentação, de corpos ocos de paredes delgada.

ConcedidaInvention Patent

Application data

Number

PI8207058

Type

Invention Patent

Filing

12/02/1982

Publication

07/10/1984

Progress at the INPI

  1. Filing12/02/82
  2. Publication07/10/84
  3. Examination02/05/85
  4. Allowance08/11/87
  5. Grant03/29/88
  6. Terminated04/02/96

The patent was granted on 03/29/1988 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D.F. Vasconcellos S/A Óptica e Mecânica de Alta Precisão

SP, BR

Inventors

V. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Republicação - classificação IPC

#15.11

08/18/1987

RPI 878

Deferimento

#9.1

08/11/1987

RPI 877

Solicitação de exame técnico

#4.1

02/05/1985

RPI 746

5.2

11/13/1984

RPI 734

Publicação do pedido de patente

#3.1

07/10/1984

RPI 716

Pedido de patente depositado

#2.1

02/01/1983

RPI 641

Anuidade - prazo legal encerrado

#18.2

04/02/1996

RPI 1322

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