Official data from INPI

Corrente de ferrão

Arquivada/ExtintaInvention PatentPCT · AU1987000183

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Application data

Number

PI8707731

Type

Invention Patent

Filing

06/26/1987

Publication

08/15/1989

PCT

AU1987000183

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Progress at the INPI

Filing06/26/87
Publication08/15/89
Examination03/20/90
Allowance07/23/91
Grant03/30/93
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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Innotech, PTY LTD

L. P. (pessoa física)

Inventors

L. P. (pessoa física)

Technical data

IPC Classification

A01B 21/04 A01B 23/02

Priority claims

PH 6619 · 06/27/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

08/15/1989

RPI 982

Carta-patente expirada

#21.1

Patente extinta em 26/06/2002

07/29/2008

RPI 1960

Transferência deferida

#25.1

Transferido de: Laurence Calin Phillips

01/12/1999

RPI 1462

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

07/28/1992

RPI 1130

15.18

03/03/1992

RPI 1109

Retificação

#15.3

01/28/1992

RPI 1104

Deferimento

#9.1

07/23/1991

RPI 1077

Exigência - art. 36 da LPI

#6.1

02/13/1991

RPI 1054

15.9

03/20/1990

RPI 1010

Solicitação de exame técnico

#4.1