Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Packaging & Containers
Class Information
Number: 222/589
Name: Dispensing > Inkwell > Barometric > Dip opening below peak level of supply > Including closure or valve for dip well outlet
Description: Dispenser including displaceable or removable means for closing the penpoint-receiving outlet portion of the dip well.










Patents under this class:

Patent Number Title Of Patent Date Issued
4132334 Spill and tamper resistant safety closure Jan. 2, 1979











 
 
  Recently Added Patents
Liquid crystal display device
Systems and methods for updating a data store using a transaction store
Automatic baroreflex modulation responsive to adverse event
Method of purifying crude acetone stream
Automated dynamic differential data processing
Methods for detecting DNA-binding proteins
Single-electron detection method and apparatus for solid-state intensity image sensors with a charge splitting device
  Randomly Featured Patents
Water-soluble polymer compound having sugar chains
Input system combining a mouse and a planar sensing device
Circuit arrangement with electronically controllable transfer characteristic
Fault tolerant synchronisation source for excitation control of a three phase power generating system
Recording apparatus having skew removal
Process cartridge and electrophotographic image forming apparatus
Process for removing hydrogen sulfide from gases, particularly coal distillation gases
Equipment chassis shield
Silicon on sapphire oriented for maximum mobility
Additives for hydrogenated resins