Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Household
Class Information
Number: 4/281
Name: Baths, closets, sinks, and spittoons > Spittoons > Gravity controlled valve
Description: The valve governing the inlet to the spittoon is normally open; but if the spittoon is tipped over the valve will close.










Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Architectural panel with Tarwe and grass
Memory device having collaborative filtering to reduce noise
Dispensing of restricted goods
Universal handle extension for unloading butterfly valve for tank trailer or other vehicle
Dry-cooling unit with gravity-assisted coolant flow
Image capturing apparatus, control method thereof, and program
Soybean variety XB51J12
  Randomly Featured Patents
Rate adjusting method of mechanical timepieces
Apparatus for mounting an outer door handle assembly to an automotive door
Topical compositions containing probiotic bacillus bacteria, spores, and extracellular products and uses thereof
System and method for associating financial transaction data with user's project data in cash transactions
Crepe effect bandage
Leak detector
Vehicle body frame structure
Cutlery detector and alarm
Impact resistant hurricane shutter assembly
Dietary supplement combining colostrum and lactoferrin in a mucosal delivery format