(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

FALSA PASTILHA INOVADORA DE CARBUBETO DE SILÍCIO

ArquivadaInvention PatentPCT · US1996002880

Application data

Number

PI9605818

Type

Invention Patent

Filing

02/28/1996

Publication

09/16/1997

PCT

US1996002880

Progress at the INPI

  1. Filing02/28/96
  2. Publication09/16/97
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/28/1996 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/25/2001. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Saint-Gobain/Norton Industrial Ceramics Corporation

US

Inventors

C. W. (pessoa física)

US

N. A. (pessoa física)

US

Technical data

Priority claims

US

396970 · 03/01/1995

Abstract

Patente de Invenção: "FALSA PASTILHA INOVADORA DE CARBURETO DE SILÍCIO" A presente invenção é relativa a uma pastilha não siliconizada ou siliconizada que consiste essencialmente em carbureto de silício recristalizado, tendo a pastilha um diâmetro de no mínimo 150mm e uma espessura entre 0,5 e 2 mm, e tendo uma porosidade ou conteúdo de silício livre entre 15 v/o e 43 v/o.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

09/25/2001

RPI 1603

Notificação de entrada na fase nacional - PCT

#1.3

09/16/1997

RPI 1398

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.