Experimental animal cage

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1. A RODENT CAGE COMPRISING:

(A) A HOUSING FOR RECEIVING A RODENT HAVING AN ENDLESS, SOLID SIDE WALL MEMBER OF NON-METALLIC MATERIAL, A BOTTOM WALL OF NON-METALLIC MATERIAL AND AN OPEN TOP;

(B) SAID BOTTOM WALL HAVING A PLURALITY OF VERTICALLY EXTENDING OPENINGS THERETHROUGH, UNIFORMLY SPACED AND OF A UNIFORM SIZE LARGE ENOUGH TO PERMIT THE FREE PASSAGE OF THE RODENT'"'"''"'"'S EXCRETA, AND SMALL ENOUGH TO SUPPORT THE FEET OF THE RODENT, (C) A SOLID, IMPERMEABLE COVER PANEL OF NON-METALLIC MATERIAL ADAPTED TO CLOSE SAID OPEN TOP;

AND (D) ELONGATED, PARALLEL RUNNERS FIXED TO OPPOSITE OUTSIDES OF SAID HOUSING FOR SLIDABLY ENGAGING TRACKS ON A RODENT SAID TO SUSPENDED SAID HOUSING IN THE RODENT STAND.

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1. A RODENT CAGE COMPRISING:
- (A) A HOUSING FOR RECEIVING A RODENT HAVING AN ENDLESS, SOLID SIDE WALL MEMBER OF NON-METALLIC MATERIAL, A BOTTOM WALL OF NON-METALLIC MATERIAL AND AN OPEN TOP;
  
  (B) SAID BOTTOM WALL HAVING A PLURALITY OF VERTICALLY EXTENDING OPENINGS THERETHROUGH, UNIFORMLY SPACED AND OF A UNIFORM SIZE LARGE ENOUGH TO PERMIT THE FREE PASSAGE OF THE RODENT'"'"''"'"'S EXCRETA, AND SMALL ENOUGH TO SUPPORT THE FEET OF THE RODENT, (C) A SOLID, IMPERMEABLE COVER PANEL OF NON-METALLIC MATERIAL ADAPTED TO CLOSE SAID OPEN TOP;
  
  AND (D) ELONGATED, PARALLEL RUNNERS FIXED TO OPPOSITE OUTSIDES OF SAID HOUSING FOR SLIDABLY ENGAGING TRACKS ON A RODENT SAID TO SUSPENDED SAID HOUSING IN THE RODENT STAND.

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