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Official data from INPI

MANCAL DE BORRACHA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000471

Type

Invention Patent

Filing

02/02/1990

Publication

01/15/1991

Progress at the INPI

  1. Filing02/02/90
  2. Publication01/15/91
  3. Examination06/04/91
  4. Allowance06/11/96
  5. Grant04/29/97
  6. Expired05/11/10

The letters patent expired on 05/11/2010: 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: 05/11/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. F. (pessoa física)

DE

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Inventors

D. F. (pessoa física)

DE

D. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 03 230.2 · 02/03/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 02/02/2005

05/11/2010

RPI 2053

Concessão da patente

#16.1

04/29/1997

RPI 1378

Deferimento

#9.1

06/11/1996

RPI 1332

Exigência - art. 36 da LPI

#6.1

12/06/1994

RPI 1253

Solicitação de exame técnico

#4.1

06/04/1991

RPI 1070

Publicação do pedido de patente

#3.1

01/15/1991

RPI 1050

Pedido de patente depositado

#2.1

05/08/1990

RPI 1017

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