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Official data from INPI

ELEMENTO DE CONSTRUÇÃO PERFLADO PRENSADO POR EXTRUSÃO

ConcedidaInvention Patent

Application data

Number

PI8204929

Type

Invention Patent

Filing

08/23/1982

Publication

08/02/1983

Progress at the INPI

  1. Filing08/23/82
  2. Publication08/02/83
  3. Examination12/27/83
  4. Allowance03/25/86
  5. Grant12/30/86
  6. Terminated12/20/94

The patent was granted on 12/30/1986 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Knurr-Mechanik Fur Die Elektronik Ag.

DE

Inventors

H. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 33 457.1 · 08/24/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

07/15/1986

RPI 821

Deferimento

#9.1

03/25/1986

RPI 805

6.2

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Publicação do pedido de patente

#3.1

08/02/1983

RPI 667

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

Anuidade - prazo legal encerrado

#18.2

12/20/1994

RPI 1255

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