Resources Contact Us Home
Browse by Category: Main > Business
Class Information
Number: 434/149
Name: Education and demonstration > Geography > Means indicating time at different points on earth
Description: Subject matter including means giving the relative time at various locations on the earth.

Patents under this class:

Patent Number Title Of Patent Date Issued
8591234 Kits and methods for exploring mathematical concepts Nov. 26, 2013
8221125 Electronic presentation of world time zones Jul. 17, 2012
6612843 Globe base educational device Sep. 2, 2003
5186630 Universal sun-path dial Feb. 16, 1993
4971559 Globe having means for indicating a day and night boundary Nov. 20, 1990
4194306 Planetarium educational device Mar. 25, 1980
4032754 Global time system Jun. 28, 1977

  Recently Added Patents
Round carrying case
Cell reselection and handover with multimedia broadcast/multicast service
Position-measuring device
Rear body panel cover for a motor vehicle
Arcuate motion control in electrostatic actuators
Apparatus and method for controlling a tunable matching network in a wireless network
Disk drive to enable defect margining
  Randomly Featured Patents
Volume rendering quality adaptations for ultrasound imaging
Solid-state image pickup device having a plurality of photoelectric conversion elements on a common substrate
Sauna apparatus
Method of making polyhydric alcohol solutions of enhanced efficacy antiperspirant actives
Battery pack cooling structure
Multi-purpose spreader
Surgical methods and surgical kits
Developing method of electrostatic latent images for full color image formation
Telephone handset
Optical switching arrangement