Official data from INPI

LAMINADOR DE DIMENSIONAMENTO

Prazo de SigiloInvention Patent

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Application data

Number

PI8805589

Type

Invention Patent

Filing

10/27/1988

Publication

05/22/1990

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Progress at the INPI

Filing10/27/88
Publication05/22/90
Examination08/07/90
Allowance01/02/96
Grant09/24/96
Expired09/02/08

The letters patent expired on 09/02/2008: 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: 03/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. K. (pessoa física)

Inventors

K. M. (pessoa física)

T. S. (pessoa física)

Technical data

IPC Classification

B21B 1/16 B21B 13/12

Priority claims

62-277211 · 10/30/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

03/14/1989

RPI 960

Carta-patente expirada

#21.1

Patente extinta em 27/10/2003

09/02/2008

RPI 1965

Republicação - classificação IPC

#15.11

10/01/1996

RPI 1348

Concessão da patente

#16.1

09/24/1996

RPI 1347

Deferimento

#9.1

01/02/1996

RPI 1309

Exigência - art. 36 da LPI

#6.1

03/01/1995

RPI 1265

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

Publicação do pedido de patente

#3.1