Official data from INPI

GURANIÇÕES PARA CANOS PARA FUSÃO ELÉTRICA.

Em AnáliseInvention Patent

Talk to an expert

Application data

Number

PI8108749

Type

Invention Patent

Filing

08/18/1981

Publication

06/22/1982

View on INPI

Progress at the INPI

Filing08/18/81
Publication06/22/82
Examination04/10/84
Allowance03/17/87
Grant10/27/87
In force08/18/01

The patent is in force and subject to a compulsory licence request: third parties have asked for authorisation to exploit the technology.

Protection valid until:08/18/2001

Latest action published by the INPI: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Esdam Pty. Ltd.

Inventors

E. E. (pessoa física)

S. K. (pessoa física)

Technical data

IPC Classification

B29D 23/00 F16L 47/00 F16L 47/03

Priority claims

81/00116 · 08/18/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

08/01/1989

RPI 980

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

07/14/1987

RPI 873

Deferimento

#9.1

03/17/1987

RPI 856

102

08/12/1986

RPI 825

Pedido de recurso

#12.3

08/20/1985

RPI 774

11.3

05/07/1985

RPI 759

Solicitação de exame técnico

#4.1

04/10/1984

RPI 703

Notificação de entrada na fase nacional - PCT

#1.3