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Official data from INPI

DISPOSITIVO DE FIXAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8202146

Type

Invention Patent

Filing

04/14/1982

Publication

11/22/1983

Progress at the INPI

  1. Filing04/14/82
  2. Publication11/22/83
  3. Examination05/08/84
  4. Allowance07/30/85
  5. Grant02/25/86
  6. Terminated07/18/95

The patent was granted on 02/25/1986 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: 09/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Brevet Burkhardt - Máquinas de Precisão Ltda.

SP, BR

See this company's full portfolio

Inventors

B. K. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

09/01/1987

RPI 880

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

8.1

01/22/1985

RPI 744

Solicitação de exame técnico

#4.1

05/08/1984

RPI 707

Publicação do pedido de patente

#3.1

11/22/1983

RPI 683

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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