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Official data from INPI

ELEMENTO DE ENGATE GIRATÓRIO.

Em AnáliseInvention Patent
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Application data

Number

PI8106596

Type

Invention Patent

Filing

10/13/1981

Publication

06/29/1982
View on INPI

Progress at the INPI

  1. Filing10/13/81
  2. Publication06/29/82
  3. Examination09/21/82
  4. Allowance01/24/84
  5. Grant12/26/84
  6. In force10/13/01

The patent was granted on 12/26/1984 and is in force until 10/13/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:10/13/2001

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Latest action published by the INPI: 11/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Big-Inch Marine Systems, Inc.

Inventors

D. E. (pessoa física)

M. J. (pessoa física)

Technical data

IPC Classification

F16L 23/02F16L 27/00

Priority claims

US

196.527 · 10/14/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/10/1987

RPI 890

20.7

11/10/1987

RPI 890

Concessão da patente

#16.1

12/26/1984

RPI 740

14.4

08/07/1984

RPI 720

14.1

07/10/1984

RPI 716

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

Publicação do pedido de patente

#3.1

06/29/1982

RPI 610

Pedido de patente depositado

#2.1

11/24/1981

RPI 579

20.11

12/31/1991

RPI 1100

Pedido de licença compulsória

#20.1

10/29/1991

RPI 1091

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