US3305946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus simulating the illumination of earth by the sun at any time and date
Assignee: Individual
•
Filing: 1965-12-01
•
Granted: 1967-02-28
•
Expires: 1985-12-01
Abstract
No abstract record available.
Inventors
- 👤 Gardin Tristan Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:29
CPC Classifications
G; G09; G09B; G09B27/00; G09B27/08; G04; G04B; G04B19/00; G04B19/22; G04B19/223; G04B19/226; G04B19/26; G09B27/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20834; Y10T74/2084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
AN APPARATUS SIMULATING THE VARYING ILLUMINATION OF EARTH BY THE SUN, COMPRISING A PEDESTAL PROVIDED WITH A CALENDAR SCALE EXTENDING OVER 360* ROUND A VERTICAL AXIS, A FIRST ANNULUS COAXIAL WITH THE CALENDAR SCALE AND REVOLVABLE ROUND SAID VERTICAL AXIS AND PROVIDED WITH A REFERENCE MARK COOPERATING WITH THE CALENDAR SCALE, A TERRESTRIAL GOLBE THE POLAR AXIS OF WHICH COINCIDES WITH SAID VERTICAL AXIS, A SECOND ANNULUS COAXIALLY RIGID WITH THE LOWER END OF THE GLOBE ADAPTED TO REVOLVE WITH THE GLOBE OVER THE FIRST ANNULUS AND PROVIDED WITH A COAXIAL HOUR SCALE COOPERATING WITH THE REFERENCE MARK ON THE LATTER, A REFLECTOR THE AXIS OF WHICH EXTENDS THROUGH THE CENTER OF THE GLOBE PERPENDICULAR TO THE ECLIPTIC PLANE FORMING AN ANGLE OF 23*27'' WITH THE EQUATORIAL PLANE OF THE GLOBE, A PUNCTUAL SOURCE OF LIGHT RIGID WITH THE REFLECTOR TO COOPERATE THEREWITH AND LOCATED AT THE CENTER OF THE GLOBE AND MEANS CONTROLLED BY THE ROTATION OF THE FIRST ANNULUS AND CONTROLLING A ROTATION WITH A SPEED RELATIONSHIP OF 1/1 OF THE REFLECTOR WITH REFERENCE TO THAT OF SAID FIRST ANNULUS ROUND AN AXIS LYING IN SAID ECLIPTIC PLANE.
Claim 2
Independent Claim
190 words
AN APPARATUS SIMULATING THE VARYING ILLUMINATION OF EARTH BY THE SUN, COMPRISING A PEDESTAL PROVIDED WITH A CALENDAR SCALE EXTENDING OVER 360* ROUND A VERTICAL AXIS, A FIRST ANNULUS COAXIAL WITH THE CALENDAR SCALE AND REVOLVABLE ROUND SAID VERTICAL AXIS AND PROVIDED WITH A REFERENCE MARK COOPERATING WITH THE CALENDAR SCALE, A TERRESTRIAL GOLBE THE POLAR AXIS OF WHICH COINCIDES WITH SAID VERTICAL AXIS, A SECOND ANNULUS COAXIALLY RIGID WITH THE LOWER END OF THE GLOBE ADAPTED TO REVOLVE WITH THE GLOBE OVER THE FIRST ANNULUS AND PROVIDED WITH A COAXIAL HOUR SCALE COOPERATING WITH THE REFERENCE MARK ON THE LATTER, A REFLECTOR THE AXIS OF WHICH EXTENDS THROUGH THE CENTER OF THE GLOBE PERPENDICULAR TO THE ECLIPTIC PLANE FORMING AN ANGLE OF 23*27'' WITH THE EQUATORIAL PLANE OF THE GLOBE, A PUNCTUAL SOURCE OF LIGHT RIGID WITH THE REFLECTOR TO COOPERATE THEREWITH AND LOCATED AT THE CENTER OF THE GLOBE AND MEANS CONTROLLED BY THE ROTATION OF THE FIRST ANNULUS AND CONTROLLING A ROTATION WITH A SPEED RELATIONSHIP OF 1/1 OF THE REFLECTOR WITH REFERENCE TO THAT OF SAID FIRST ANNULUS ROUND AN AXIS LYING IN SAID ECLIPTIC PLANE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |