of mil mciiiis for indicating tllc temperntiires in pottery end similiir kilns. April 11. 6481. R. Zeillcr. Purnncc for usc iu the mnuufacture of prcss gluss. JInrch 27. 8002. 1,. Kocrfer. Clnss bricks or blocks. April 3. 9353. L. Ziegcnbrucli. 10,017. \v. Ilcttniicy rind W. F. Ilettnney. I'ottcrs' ovens iind kilns. April 3, 10,482. C. Jungc.-From 0. Ilirscli, Ccriiinny. Miuufucturc of iiioulda for glitss. April 11. 13,818. \'. Driikc iuid 11. W. Kctnp. Appnriitits for tlic miinufncture of glues bottles iiud the like. 22,596. N. BIcurcr. Proccss for colonring gliiss ycllow, red, Iirown, rind blnck. April 11. Sco Cliiss S t l t . April 3. IX.-BUILDING BLA' X' ERIALS, CLAYS, JIOBTAllS, LYD CEJIBXTS. ArrLIcmoNs. Iinprovciiicutr iu or. in eonncctiou with tlie mnnufiicturc or prodlietion of builtling bricks or blocks, or other liuil~~ing mutcrinl. Completo Specilication. hfiirch 19. Im~~roveniciita in iunchinery for the iunuufiictiirc of concretc sliibs. Murch 23. Iinprovcincnts in coinbiiicil nictnl iiiid concretc wnlls, floors, nuit roofs for buildiiip, nnd the like. hkircli 25. 66?3. 1. Isserliss. Iiuprovcitieiits rcliitiiig to liuic, cctueat, nod like kilns. Mnrch 29. 6800. G. Uutchiird. lmprovemeiits in nppurntus for the innnufacture of ccnicut. April 1. 7081. S. Scliougonrd a i d J. 1':nins. An ituproved nietlioil of miikiug nrtificiiil stone. Cotiipletc Specificiition. April 4. 7324. \V. 1' . Tliolnpson.--Frotti 11. 1'. I)otlgel Uiiitcd Stntcw. Iitiprovemcurs in or reliitiiig to tlic tre;itiiicnt of lime. Complete Spccificatiou. April 9. 7414. I,. Scl~lcntheiin. Iinprovciuciits in coiicrcte rind like floorings. April 10.