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Official data from INPI

FERRAMENTA ABRASIVA

Arquivada/ExtintaInvention PatentPCT · US1991001772

Application data

Number

PI9105723

Type

Invention Patent

Filing

03/15/1991

Publication

08/04/1992

PCT

US1991001772

Progress at the INPI

  1. Filing03/15/91
  2. Publication08/04/92
  3. Examination11/16/93
  4. Allowance10/28/97
  5. Grant09/29/98
  6. Expired06/11/13

The letters patent expired on 06/11/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B & J Manufacturing Company

US

Inventors

C. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

511,393 · 04/18/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/03/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

09/29/1998

RPI 1449

Deferimento

#9.1

10/28/1997

RPI 1404

Exigência - art. 36 da LPI

#6.1

02/12/1997

RPI 1367

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Notificação de entrada na fase nacional - PCT

#1.3

08/04/1992

RPI 1131

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