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Official data from INPI

PRENDEDOR DE SACOS PLASTICOS

ConcedidaUtility Model

Application data

Number

MU6000364

Type

Utility Model

Filing

03/31/1980

Publication

10/06/1981

Progress at the INPI

  1. Filing03/31/80
  2. Publication10/06/81
  3. Examination02/16/82
  4. Allowance03/29/83
  5. Grant11/29/83
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 11/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAO PAULO ALPARGATAS [BR]

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Inventors

R. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Republicação - classificação IPC

#15.11

04/05/1983

RPI 650

Deferimento

#9.1

03/29/1983

RPI 649

Solicitação de exame técnico

#4.1

02/16/1982

RPI 591

Publicação do pedido de patente

#3.1

10/06/1981

RPI 572

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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