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Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE VOLANTES

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101023

Type

Invention Patent

Filing

03/14/1991

Publication

11/05/1991

Progress at the INPI

  1. Filing03/14/91
  2. Publication11/05/91
  3. Examination05/04/93
  4. Allowance08/25/98
  5. Grant02/23/99
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Petri AG

DE

See this company's full portfolio

Inventors

E. F. (pessoa física)

DE

W. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

90 104 867.8 · 03/15/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/03/2011

05/28/2013

RPI 2212

Concessão da patente

#16.1

02/23/1999

RPI 1468

Republicação - classificação IPC

#15.11

Alterada de Int.Cl. C08J 7/04 e C08G 18/08.

08/25/1998

RPI 1444

Deferimento

#9.1

08/25/1998

RPI 1444

Solicitação de exame técnico

#4.1

05/04/1993

RPI 1170

Publicação do pedido de patente

#3.1

11/05/1991

RPI 1092

Pedido de patente depositado

#2.1

09/03/1991

RPI 1083

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