Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Household
Class Information
Number: 4/258
Name: Baths, closets, sinks, and spittoons > Spittoons
Description: Devices to receive and dispose of sputa or expectorations.










Sub-classes under this class:

Class Number Class Name Patents
4/278 Agitator 0
4/260 Bar 1
4/267 Covered 7
4/261 Disinfecting 4
4/285 Flexible material and holder 8
4/280 Floor controlled valve 1
4/275 Floor orifice 0
4/262 Flushing 9
4/281 Gravity controlled valve 0
4/284 Gravity receptacle 1
4/259 Pocket 11
4/282 Positively operated inlet valve 1
4/279 Reversible 0
4/283 Trapped liquid 8


Patents under this class:

Patent Number Title Of Patent Date Issued
7739755 Spit cup Jun. 22, 2010
6718563 Spill proof spittoon cup Apr. 13, 2004
6665887 Portable spittoon Dec. 23, 2003
6305033 Hand-held cuspidor with replaceable cup Oct. 23, 2001
6266829 Combination beverage container and spittoon Jul. 31, 2001
5878445 Disposable receptacle for oral body fluids Mar. 9, 1999
5367717 Cuspidor Nov. 29, 1994
5325546 Hand held spittoon Jul. 5, 1994
5140711 Cuspidor converter Aug. 25, 1992
4949405 Cuspidor convertor Aug. 21, 1990
4932081 Sputum cup Jun. 12, 1990
4858250 Disposable sanitary spittoon Aug. 22, 1989
4771486 Sputum specimen collecting device Sep. 20, 1988
4768238 Bifurcated saliva collector Sep. 6, 1988
4738762 Electrowinning system Apr. 19, 1988
4503572 Disposable receptacle for spittle Mar. 12, 1985
4375705 Remote storage spittoon Mar. 8, 1983
4218787 Portable spittoon Aug. 26, 1980











 
 
  Recently Added Patents
Method for producing vinyl acetate monomer
PVD coated tool
RF amplifier with digital filter for polar transmitter
Air filter
Three-dimensional holographic display using active shutter
Communications in an asynchronous cellular wireless network
Radio link monitoring (RLM) and reference signal received power (RSRP) measurement for heterogeneous networks
  Randomly Featured Patents
Pyridone compounds useful in treating Alzheimer's disease
Segmentation of a die stack for 3D packaging thermal management
Stable suspension formulations of erythropoietin receptor agonists
Surface treatment and protection method for cadmium zinc telluride crystals
Structure of lock for electric supplying switch
Intensified pinhole camera system
Food filled soybean protein casing
Identification of graphic and character areas in color image processor
Implantable medical device having flat electrolytic capacitor with cathode/case electrical connections
Method of retracting an instant message