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Official data from INPI

SILO PORTATIL E OU SEMIPORTATIL

ConcedidaUtility Model

Application data

Number

MU6100686

Type

Utility Model

Filing

05/27/1981

Publication

-

Progress at the INPI

  1. Filing05/27/81
  2. Publication
  3. Examination
  4. Allowance04/29/86
  5. Grant12/30/86
  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.

Talk to a specialist

Latest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. I. (pessoa física)

Inventors

T. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

04/29/1986

RPI 810

Exigência - art. 36 da LPI

#6.1

04/16/1985

RPI 756

14.7

12/18/1984

RPI 739

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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