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Official data from INPI

REFINADOR DE DISCOS MÚLTIPLOS

Em AnáliseInvention Patent

Application data

Number

PI8504410

Type

Invention Patent

Filing

09/12/1985

Publication

07/15/1986

Progress at the INPI

  1. Filing09/12/85
  2. Publication07/15/86
  3. Examination05/05/87
  4. Allowance10/02/90
  5. Grant05/28/91
  6. Terminated06/04/96

The patent was granted on 05/28/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/05/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

P. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

651.868 · 09/18/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/05/1987

RPI 863

Publicação do pedido de patente

#3.1

07/15/1986

RPI 821

Pedido de patente depositado

#2.1

11/26/1985

RPI 788

Anuidade - prazo legal encerrado

#18.2

06/04/1996

RPI 1331

Concessão da patente

#16.1

05/28/1991

RPI 1069

Notificação para pagamento de retribuição

#13.1

01/15/1991

RPI 1050

Deferimento

#9.1

10/02/1990

RPI 1035

Exigência - art. 36 da LPI

#6.1

03/06/1990

RPI 1008

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