Nova Patents
AT17782T

Helicoidally finned tubes

Abstract

This record has no abstract on file.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Granted
  4. Today

12 members in 9 offices

This recordMember, by publication datePriority claim

Priority claims1

Priority claims
DocumentOfficeKindDate
105782HungaryA

Members12

Family members, oldest first
DocumentOfficeKind
EP0091127A1European Patent Office (EPO)A1
JPS5915795AJapanA
HU186052BHungaryB
US4538677AUnited States of AmericaA
ES281820USpainU
EP0091127B1European Patent Office (EPO)B1
AT17782TThis recordAustriaT
DE3361965D1GermanyD1
ES281820YSpainY
IN157900BIndiaB
SU1259967A3Soviet Union (until 1991)A3
JPH0124997B2JapanB2