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Official data from INPI

CORPO EM FORMA DE COLMÉIA, SOBRETUDO COM CAMADAS DE PLACAS METÁLICAS PARCIALMENTE REFORÇADAS EM FORMA DE S

Arquivada/ExtintaInvention PatentPCT · EP1988001178
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Application data

Number

PI8807886

Type

Invention Patent

Filing

12/19/1988

Publication

11/13/1990

PCT

EP1988001178
View on INPI

Progress at the INPI

  1. Filing12/19/88
  2. Publication11/13/90
  3. Examination10/15/91
  4. Allowance09/08/98
  5. Grant02/23/99
  6. Expired12/18/12

The letters patent expired on 12/18/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 12/18/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. M. (pessoa física)

DE

Inventors

H. S. (pessoa física)

DE

W. M. (pessoa física)

DE

Technical data

IPC Classification

B01J 35/04F01N 3/28

Priority claims

DE

G 88 01 788.5 · 02/11/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/02/2009

12/18/2012

RPI 2189

Concessão da patente

#16.1

02/23/1999

RPI 1468

Deferimento

#9.1

09/08/1998

RPI 1446

Exigência - art. 36 da LPI

#6.1

04/14/1998

RPI 1425

Exigência - art. 36 da LPI

#6.1

07/16/1996

RPI 1337

Solicitação de exame técnico

#4.1

10/15/1991

RPI 1089

Notificação de entrada na fase nacional - PCT

#1.3

11/13/1990

RPI 1041

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