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Official data from INPI

APERFEICOAMENTO EM DISPOSITIVO PARA PROTEGER MECANICAMENTE CONTRA OS CHOQUES O TRECHO ANULAR DE UMA PONTA DE TUBO LISA DE DIAMETRO RELATIVAMENTE GRANDE

Em AnáliseInvention Patent

Application data

Number

PI7800072

Type

Invention Patent

Filing

01/07/1977

Publication

-

Progress at the INPI

Under appeal
  1. Filing01/07/77
  2. Publication
  3. Examination
  4. Allowance11/30/82
  5. Grant06/28/83
  6. In force01/07/97

The patent was granted on 06/28/1983 and is in force until 01/07/1997. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:01/07/1997

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Latest action published by the INPI: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. H. (pessoa física)

L. C. (pessoa física)

Inventors

C. H. (pessoa física)

L. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

12.4

04/05/1988

RPI 911

Petição de recurso

#12.2

02/09/1988

RPI 903

Anuidade - prazo legal encerrado

#18.2

02/25/1986

RPI 801

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/10/1983

RPI 655

Deferimento

#9.1

11/30/1982

RPI 632

Exigência - art. 36 da LPI

#6.1

05/18/1982

RPI 604

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