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Official data from INPI

VALVULA TERMOPLASTICA TIPO ESFERA

ConcedidaUtility Model

Application data

Number

MU6201230

Type

Utility Model

Filing

09/10/1982

Publication

01/04/1983

Progress at the INPI

  1. Filing09/10/82
  2. Publication01/04/83
  3. Examination06/21/83
  4. Allowance12/04/84
  5. Grant06/25/85
  6. Expired11/15/94

The letters patent expired on 11/15/1994: 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: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IMAKE IND COM PROD PLASTICOS L [BR]

Inventors

N. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/09/1985

RPI 755

Deferimento

#9.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

06/21/1983

RPI 661

Publicação antecipada

#3.2

01/04/1983

RPI 637

Pedido de patente depositado

#2.1

10/26/1982

RPI 627

Carta-patente expirada

#21.1

11/15/1994

RPI 1250

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