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Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE PARTÍCULAS ABRASIVAS SINTERIZADAS ALUMINOSAS

Em AnáliseInvention Patent

Application data

Number

PI8600982

Type

Invention Patent

Filing

03/07/1986

Publication

11/18/1986

Progress at the INPI

  1. Filing03/07/86
  2. Publication11/18/86
  3. Examination12/13/88
  4. Allowance11/05/91
  5. Grant08/25/92
  6. Terminated09/26/95

The patent was granted on 08/25/1992 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: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Abrasive Industries, Inc.

US

Inventors

D. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

709.757 · 03/08/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/13/1988

RPI 947

Publicação do pedido de patente

#3.1

11/18/1986

RPI 839

Pedido de patente depositado

#2.1

08/12/1986

RPI 825

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

03/17/1992

RPI 1111

Deferimento

#9.1

11/05/1991

RPI 1092

6.4

08/14/1990

RPI 1028

Exigência - art. 36 da LPI

#6.1

06/19/1990

RPI 1023

14.11

05/22/1990

RPI 1019

14.1

03/01/1990

RPI 1007

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