Patent US3221591A successfully refreshed from Google Patents.
US3221591A
Expired / Lapsed
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Assignee: Individual
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Filing: 1961-08-15
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Granted: 1965-12-07
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Expires: 1981-08-15
Abstract
No abstract record available.
Inventors
- 👤 Herman C Schepler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:59
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
AN ASTRONOMICAL INSTRUMENT FOR OBSERVING OBJECTS IN THE CELESTIAL SPHERE, SAID INSTRUMENT COMPRISING A TRANSPARENT HOLLOW GLOBE HAVING OPAQUE PORTIONS IMPRINTED THEREON CORRESPONDING TO HEAVENLY BODIES IN THE CELESTIAL SPHERE, MEANS FOR SYNCHRONIZING THE ROTATION OF SAID GLOBE ON ITS POLAR AXIS WITH THAT OF THE EARTH''S AND ALIGNED OPTICAL MEANS WITHIN AND WITHOUT SAID GLOBE FOR FOCUSING AN IMAGE OF THE CELESTIAL SPHERE ON THE SURFACE OF SAID GLOBE AND TO ALLOW SIMULTANEOUS VISUAL OBSERVATION OF THE IMAGE OF THE CELESTIAL SPHERE AND SURFACE OF SAID GLOBE, THE OPAQUE PORTIONS ON SAID GLOBE BEING IN REGISTER WITH THE HEAVENLY BODIES TO PREVENT THEIR IMAGES FROM REACHING THE INNER OPTICAL MEANS.
Claim 2
Dependent Claim
111 words
AN ASTRONOMICAL INSTRUMENT FOR OBSERVING OBJECTS IN THE CELESTIAL SPHERE, SAID INSTRUMENT COMPRISING A TRANSPARENT HOLLOW GLOBE HAVING OPAQUE PORTIONS IMPRINTED THEREON CORRESPONDING TO HEAVENLY BODIES IN THE CELESTIAL SPHERE, MEANS FOR SYNCHRONIZING THE ROTATION OF SAID GLOBE ON ITS POLAR AXIS WITH THAT OF THE EARTH''S AND ALIGNED OPTICAL MEANS WITHIN AND WITHOUT SAID GLOBE FOR FOCUSING AN IMAGE OF THE CELESTIAL SPHERE ON THE SURFACE OF SAID GLOBE AND TO ALLOW SIMULTANEOUS VISUAL OBSERVATION OF THE IMAGE OF THE CELESTIAL SPHERE AND SURFACE OF SAID GLOBE, THE OPAQUE PORTIONS ON SAID GLOBE BEING IN REGISTER WITH THE HEAVENLY BODIES TO PREVENT THEIR IMAGES FROM REACHING THE INNER OPTICAL MEANS.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |