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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM CATALISADOR DE PRATA SUPORTADO

Arquivada/ExtintaInvention PatentPCT · US1995015568

Application data

Number

PI9509942

Type

Invention Patent

Filing

11/29/1995

Publication

01/27/1998

PCT

US1995015568

Progress at the INPI

  1. Filing11/29/95
  2. Publication01/27/98
  3. Examination
  4. Allowance06/19/01
  5. Grant10/02/01
  6. Expired12/15/15

The letters patent expired on 12/15/2015: 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: 12/15/2015. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Scientific Design Company, INC.

US

See this company's full portfolio

Inventors

N. R. (pessoa física)

US

W. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

08/348.340 · 12/02/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/11/2015

12/15/2015

RPI 2345

Concessão da patente

#16.1

10/02/2001

RPI 1604

Deferimento

#9.1

06/19/2001

RPI 1589

Conhecimento de parecer técnico

#7.1

07/25/2000

RPI 1542

Notificação de entrada na fase nacional - PCT

#1.3

01/27/1998

RPI 1414

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