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Class 434/142 - With means indicating time at different points on earth


Subclass of Class 434 - Education and demonstration
Definition: Subject matter including means giving the relative time
No. of patents: 12
Last issue date: 04/24/2007


NumberTitleIssue Date
7207803Earth globe assembly
An educational globe assembly is provided comprising a globe and a base cradle for the globe configured to removably and rotatably support the globe. The base cradle comprises a great circle ring, and the great circle ring comprises at least one annular indicia surf...
04/24/2007
7207802Globes having marked zones of geographic interest
An Earth globe is provided for studying continental position theories. The globe comprises graphical image representations of a plurality of land masses at locations representing the current position of the land masses on Earth. A plurality of at least a portion of ...
04/24/2007
6979197Globe apparatus for showing rotation and revolution
Disclosed is a globe apparatus for showing rotation and revolution at the same time. The globe apparatus includes: a base to which one end of at least one support rod is fixed and one end of a revolution axis is rotatably fixed; a support arm fixedly coupled with th...
12/27/2005
6860739World globe with detail display 2
A spherical world globe with geographic features imprinted on its surface rotates on an axis through the poles. The sphere is not large enough to carry legible details of all areas. Greater details are stored in a memory such as a compact disc. An indicator on the s...
03/01/2005
6773262World globe with detail display
A spherical world globe with geographic features imprinted on its surface rotates on and axis through the poles. The sphere is not large enough to carry legible details of all areas. Greater details are stored in a memory such as a compact disc. An indicator on the ...
08/10/2004
6612843Globe base educational device
The present invention comprises an educational device for use with an earth globe having ecliptic angle of inclination for teaching students the position of the earth relative to the sun through the various seasons. The educational device can also be used...
09/02/2003
6299451Time teaching globe
A model globe for illustrating time relationships and related concepts includes a global representation of the earth rotatable about an axis simulating the earth's axis of rotation. A cursor assembly is independently rotatable about the axis, and includes...
10/09/2001
5132943World globe and drive arrangement
An electrically driven, world globe displaying Greenwich time, clock time, week of the year, season of the year and daylight-nighttime of a particular geographic location and a particular time of day relative to the rest of the world comprising a globe di...
07/21/1992
4938695World globe rotation control device
A device for controlling the direction of rotation of a world globe. The device has a ratchet ring which is affixed to the globe near the North or South Pole thereof. A deflectable pawl member is held by the support frame of the globe and permits the glob...
07/03/1990
4936779Earth planet model
An earth planet model as illustrated in the drawings having a base supporting a globe cradle 28. The globe cradle supports a glove 40 at a north pole bearing 48 and at a south pole bearing 50 with the polar axis of the globe being inclined. The model 10 h...
06/26/1990
4102121Three dimensional time piece
A three dimensional time piece for determining the correct time anywhere in the world. The time piece having a world globe with a 24 hour time band therearound, and lighting inside the globe to indicate both night time and day time on the surface of the g...
07/25/1978
4056927Time giving device
A globe construction for visually determining the time at a geographical area of the earth including a translucent globe, a rotatable hour dial labelled by hours and having perforations through which a stationary dial having minute indicia is viewable thr...
11/08/1977
 
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