US PATENT SUBCLASS 976 / DIG 164
.~.~ Consisting of a combination of nonmetallic and metallic layers (e.g., metal-sand-metal-concrete) [G21C-11/08E]


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



976 /   HD   NUCLEAR TECHNOLOGY

DIG 152  DD  SHEILDING STRUCTURALLY ASSOCIATED WITH THE REACTOR [G21C-11/00] {3}
DIG 160  DD  .~ Thermal shields; Thermal linings (i.e., for dissipating heat from gamma radiation which would otherwise heat an outer biological shield); Thermal insulation [G21C-11/08] {4}
DIG 164.~.~ Consisting of a combination of nonmetallic and metallic layers (e.g., metal-sand-metal-concrete) [G21C-11/08E]