Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of FR434555ApublicationCriticalpatent/FR434555A/fr
E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
E04F17/00—Vertical ducts; Channels, e.g. for drainage
E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
Landscapes
Engineering & Computer Science
(AREA)
Architecture
(AREA)
Civil Engineering
(AREA)
Structural Engineering
(AREA)
FR434555D1911-09-251911-09-25Dispositif d'obturation pour cheminées
ExpiredFR434555A
(fr)