#Usg ceiling tiles with a notch pdf

References Cited UNITED STATES PATENTS 3,383,811 5/1968 Ades. E04B9/28- Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like having grooves engaging with horizontal flanges of the supporting construction or accessory means connected thereto.E04B9/22- Connection of slabs, panels, sheets or the like to the supporting construction.false ceilings Ceiling construction with regard to insulation with means for hanging lighting fixtures or other appliances to the framework of the ceiling E04B9/006- Ceilings Construction of ceilings, e.g.false ceilings Ceiling construction with regard to insulation with movable parts, e.g. E04B9/003- Ceilings Construction of ceilings, e.g.false ceilings Ceiling construction with regard to insulation E04B9/00- Ceilings Construction of ceilings, e.g.PARTITIONS ROOFS FLOORS CEILINGS INSULATION OR OTHER PROTECTION OF BUILDINGS E04B- GENERAL BUILDING CONSTRUCTIONS WALLS, e.g.238000006011 modification reaction Methods 0.000 description 2.229910052751 metal Inorganic materials 0.000 description 2.XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2.229910052782 aluminium Inorganic materials 0.000 description 2.241001647280 Pareques acuminatus Species 0.000 description 4.229920002457 flexible plastic Polymers 0.000 claims description 4.239000000463 material Substances 0.000 claims description 6.238000010276 construction Methods 0.000 title claims abstract description 32.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US11617171A external-priority Application filed by S Federowicz filed Critical S Federowicz Application granted granted Critical Publication of US3710520A publication Critical patent/US3710520A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US00116171A Inventor S Federowicz Original Assignee S Federowicz Priority date (The priority date is an assumption and is not a legal conclusion.

#Usg ceiling tiles with a notch pdf

Google Patents Utility frame for suspended ceiling constructionĭownload PDF Info Publication number US3710520A US3710520A US00116171A US3710520DA US3710520A US 3710520 A US3710520 A US 3710520A US 00116171 A US00116171 A US 00116171A US 3710520D A US3710520D A US 3710520DA US 3710520 A US3710520 A US 3710520A Authority US United States Prior art keywords frame body portion tile ceiling access Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US3710520A - Utility frame for suspended ceiling construction US3710520A - Utility frame for suspended ceiling construction