Official data from INPI

CONJUNTO DE ROLAMENTO DE DESENGATE DE EMBREAGEM AUTO-ALINHADOR E LUVA PORTADORA

Em AnáliseInvention Patent

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Application data

Number

PI8703344

Type

Invention Patent

Filing

06/30/1987

Publication

03/15/1988

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Progress at the INPI

Filing06/30/87
Publication03/15/88
Examination08/30/88
Allowance04/02/91
Grant10/29/91
Expired07/29/08

The letters patent expired on 07/29/2008: 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aetna Bearing Company

Inventors

R. H. (pessoa física)

Technical data

IPC Classification

F16D 23/14

Priority claims

879.892 · 06/30/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/30/1988

RPI 932

Publicação do pedido de patente

#3.1

03/15/1988

RPI 908

Pedido de patente depositado

#2.1

09/01/1987

RPI 880

Carta-patente expirada

#21.1

Patente extinta em 30/06/2002

07/29/2008

RPI 1960

Republicação - classificação IPC

#15.11

11/19/1991

RPI 1094

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

07/16/1991

RPI 1076

Deferimento

#9.1

04/02/1991

RPI 1061

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