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Official data from INPI

FITA DENTAL ÁSPERA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001980

Type

Invention Patent

Filing

04/27/1990

Publication

11/12/1991

Progress at the INPI

  1. Filing04/27/90
  2. Publication11/12/91
  3. Examination04/14/92
  4. Allowance08/26/97
  5. Grant10/27/98
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Universidade de São Paulo - USP

SP, BR

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Inventors

P. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/04/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

10/27/1998

RPI 1451

9.1.3

Republicação por ter sido efetuada com incorreção na RPI 1395 de 26/08/97

04/22/1998

RPI 1426

Deferimento

#9.1

08/26/1997

RPI 1395

Exigência - art. 36 da LPI

#6.1

08/13/1996

RPI 1341

Exigência - art. 36 da LPI

#6.1

12/05/1995

RPI 1305

Solicitação de exame técnico

#4.1

04/14/1992

RPI 1115

Publicação do pedido de patente

#3.1

11/12/1991

RPI 1093

Pedido de patente depositado

#2.1

08/14/1990

RPI 1028

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