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Official data from INPI

DISPOSITIVO DE RECURVAMENTO DE UMA FOLHA DE VIDRO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9104673

Type

Invention Patent

Filing

10/29/1991

Publication

05/26/1992

Progress at the INPI

  1. Filing10/29/91
  2. Publication05/26/92
  3. Examination06/07/94
  4. Allowance03/23/99
  5. Grant07/27/99
  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

S. I. (pessoa física)

FR

See this company's full portfolio

Inventors

H. K. (pessoa física)

DE

W. D. (pessoa física)

DE

W. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 40 34 600.5 · 10/31/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/10/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

03/23/1999

RPI 1472

Exigência - art. 36 da LPI

#6.1

06/02/1998

RPI 1432

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

12/03/1991

RPI 1096

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