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Official data from INPI

DISTRIBUIDOR DE ESCOAMENTO

Em AnáliseInvention Patent

Application data

Number

PI7800281

Type

Invention Patent

Filing

01/17/1978

Publication

-

Progress at the INPI

  1. Filing01/17/78
  2. Publication
  3. Examination
  4. Allowance12/28/82
  5. Grant09/06/83
  6. In force01/17/98

The patent was granted on 09/06/1983 and is in force until 01/17/1998. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:01/17/1998

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DERRICK MFG CORP

Inventors

D. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

09/06/1983

RPI 672

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

12/28/1982

RPI 636

15.0

06/08/1982

RPI 607

Exigência - art. 36 da LPI

#6.1

05/04/1982

RPI 602

22.2

02/19/1991

RPI 1055

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