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Official data from INPI

PROCESSO E APARELHO PARA FORMAR UM CHUMAÇO DE MATERIAL EM PARTÍCULAS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103913

Type

Invention Patent

Filing

09/11/1991

Publication

05/26/1992

Progress at the INPI

  1. Filing09/11/91
  2. Publication05/26/92
  3. Examination06/07/94
  4. Allowance06/13/00
  5. Grant10/17/00
  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

McNeil-PPC, Inc.

US

See this company's full portfolio

Inventors

A. B. (pessoa física)

ZA

J. O. (pessoa física)

ZA

Technical data

IPC Classification

Priority claims

ZA

90/7272 · 09/12/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinte em 11/09/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

10/17/2000

RPI 1554

Deferimento

#9.1

06/13/2000

RPI 1536

Conhecimento de parecer técnico

#7.1

08/10/1999

RPI 1492

Republicação - classificação IPC

#15.11

Alterada a classificação para A61F 13/15.

07/20/1999

RPI 1489

Solicitação de exame técnico

#4.1

06/07/1994

RPI 1227

Publicação do pedido de patente

#3.1

05/26/1992

RPI 1121

Pedido de patente depositado

#2.1

10/22/1991

RPI 1090

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