Official data from INPI

BRITADOR DE MANDÍBULA

Prazo de SigiloInvention Patent

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Application data

Number

PI8804511

Type

Invention Patent

Filing

07/02/1988

Publication

04/24/1990

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Progress at the INPI

Filing07/02/88
Publication04/24/90
Examination12/11/90
Allowance09/22/92
Grant04/27/93
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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telsmith, Inc

Inventors

H. P. (pessoa física)

Technical data

IPC Classification

B02C 1/02

Priority claims

158.782 · 02/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Carta-patente expirada

#21.1

Patente extinta em 02/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

02/02/1993

RPI 1157

Deferimento

#9.1

09/22/1992

RPI 1138

Exigência - art. 36 da LPI

#6.1

12/24/1991

RPI 1099

Solicitação de exame técnico

#4.1

12/11/1990

RPI 1045

Publicação do pedido de patente

#3.1