Official data from INPI

TUBO DE MATERIAIS TERMOPLASTICOS,E PROCESSO PARA A SUA FABRICACAO

Em AnáliseInvention Patent

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Application data

Number

PI7802169

Type

Invention Patent

Filing

04/06/1977

Publication

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Progress at the INPI

Filing04/06/77
Publication
Examination
Allowance03/16/82
Grant
Terminated06/29/93

The patent was granted and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/06/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WAVIN BV

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

07/06/1982

RPI 611

Deferimento

#9.1

03/16/1982

RPI 595

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

From the same holder

SACO PLASTICO COM UMA VALVULA DE ENCHIMENTO PROCESSO E DISPOSITIVO PARA FORMAR UMA RANHURA CIRCULAR INTERNA EM UMA PARTE DE TUBO PLASTICO PORCAO DE BOLSA DE TUBO EM PLASTICO E PROCESSO DE FABRICACAO DA MESMA PROCESSO E APARELHO DE FABRICACAO DE UMA TIRA E PROCESSO PARA ENCHER UM SACO PLASTICO PROCESSO E APARELHO PARA ENCHER SACOS

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