Up: Patent Index

257,712 · Hyatt · "Constructing and Repairing Illuminating-Roofs, &c." · Page 3 Home  > Prism Glass  > Patent Index  > Page 3

257,712: 3 of 6

illuminating-quarries with curved foundation-gratings, substantially as and for the purposes herein set forth and illustrated.     4. Illuminating area-coverings formed by combining illuminating-quarries with foundation-gratings cast in stoop and step form, substantially as and for the purposes herein set forth and illustrated.     5. Illuminating area-gratings cast in stoop and step form and combined with glass, substantially as and for the purposes herein set forth and illustrated.     6. Foundation-gratings cast or formed with ventilating-scuttles, substantially as and for the purposes herein set forth and illustrated.     7. Concreted foundation-gratings, in combination with either concrete or concreted illuminating-quarries, substantially as and for the purposes herein set forth and illustrated.     8. Foundation-gratings cast with underlapping lugs, substantially as and for the purposes herein set forth and illustrated.     9. Foundation-gratings formed with an open side of abutting cross-bars, in combination with foundation-gratings made with underlapping

lugs to give support thereto, substantially as and for the purposes herein set forth and illustrated.     10. Illuminating-gratings formed with no dead material at the borders, substantially as and for the purposes herein set forth and illustrated.     11. Facing illuminating-roofs and roof-pavements with concrete or material held to the face of the grating by means of necks or glass surplusage, substantially as and for the purposes herein set forth and illustrated.     12. Illuminating-roofs and roof-pavements made by combinations of illuminating-gratings or of quarry glass holders, the glasses of which are formed with glass surplusage or necks to stand above the general level of the work as a means of attachment for a monomorphous finishing-coat of material, substantially as and for the purposes herein set forth and illustrated. THADDEUS HYATT. Witnesses:     T. C. BRECHT,     LLOYD F. KELEHER.