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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8005338

Type

Invention Patent

Filing

08/22/1980

Publication

-

Progress at the INPI

  1. Filing08/22/80
  2. Publication
  3. Examination03/08/83
  4. Allowance04/03/84
  5. Grant04/29/86
  6. Expired09/26/95

The letters patent expired on 09/26/1995: 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: 11/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hayssen Manufaturing Company.

US

Inventors

R. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.8

11/03/1987

RPI 889

212

10/27/1987

RPI 888

Anuidade - prazo legal encerrado

#18.2

08/11/1987

RPI 877

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/03/1985

RPI 789

110

10/08/1985

RPI 781

120

01/08/1985

RPI 742

Recurso

#12.1

07/24/1984

RPI 718

Deferimento

#9.1

04/03/1984

RPI 702

Pedido de certificado de adição de invenção

#5.1

08/09/1983

RPI 668

Solicitação de exame técnico

#4.1

03/08/1983

RPI 646

Carta-patente expirada

#21.1

09/26/1995

RPI 1295

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