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Official data from INPI

ARTIGO ABRASIVO REVESTIDO

ConcedidaInvention Patent

Application data

Number

PI8204145

Type

Invention Patent

Filing

07/16/1982

Publication

07/12/1983

Progress at the INPI

  1. Filing07/16/82
  2. Publication07/12/83
  3. Examination06/12/84
  4. Allowance02/12/85
  5. Grant08/27/85
  6. Terminated02/11/92

The patent was granted on 08/27/1985 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: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Norton Company

US

See this company's full portfolio

Inventors

M. I. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

291.205 · 08/10/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Deferimento

#9.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

06/12/1984

RPI 712

Publicação do pedido de patente

#3.1

07/12/1983

RPI 664

Pedido de patente depositado

#2.1

08/31/1982

RPI 619

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B24D 3/20; C09H 11/00; C09J 3/16.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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