US3302543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide-angle dioptric system
Assignee: Individual
•
Filing: 1963-10-21
•
Granted: 1967-02-07
•
Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Karl F Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:56
CPC Classifications
G; G02; G02B; G02B13/00; G02B13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN AN OPTICAL OBJECTIVE SYSTEM, IN COMBINATION, SUPPORTING MEANS FORMING A SUBSTANTIALLY FLAT RECEIVING SURFACE FOR PROJECTED LIGHT RAYS AND DIOPTRIC MEANS ADAPTED TO FOCUS INCIDENT RAYS UPON SAID RECEIVING SURFACE, SAID DIOPTRIC MEANS INCLUDING A SECTORAL LENS HAVING TWO OUTER SURFACES AND AT LEAST ONE INNER SURFACE ALL CIRCULARY CURVED AROUND AN AXIS PARALLEL TO SAID RECEIVING SURFACE WITHIN A LIMITED SECTIONAL SECTORAL FIELD ANGLE, SAID LENS BEING ROTATABLE ABOUT SAID AXIS, AND FURTHER INCLUDING IMAGEFLATTENING LENS MEANS FIXEDLY POSITIONED WITH REFERENCE TO SAID RECEIVING SURFACE, SAID LENS MEANS HAVING AT LEAST ONE OPTICALLY EFFECTIVE CURVED SURFACE EXTENDING OVER AN ANGLE SUBSTANTIALLY LARGER THAN SAID FIELD ANGLE IN THE PLANE OF ROTATION; AND MEANS FOR ROTATING SAID SECTORAL LENS ABOUT SAID AXIS.
Claim 2
Dependent Claim
123 words
IN AN OPTICAL OBJECTIVE SYSTEM, IN COMBINATION, SUPPORTING MEANS FORMING A SUBSTANTIALLY FLAT RECEIVING SURFACE FOR PROJECTED LIGHT RAYS AND DIOPTRIC MEANS ADAPTED TO FOCUS INCIDENT RAYS UPON SAID RECEIVING SURFACE, SAID DIOPTRIC MEANS INCLUDING A SECTORAL LENS HAVING TWO OUTER SURFACES AND AT LEAST ONE INNER SURFACE ALL CIRCULARY CURVED AROUND AN AXIS PARALLEL TO SAID RECEIVING SURFACE WITHIN A LIMITED SECTIONAL SECTORAL FIELD ANGLE, SAID LENS BEING ROTATABLE ABOUT SAID AXIS, AND FURTHER INCLUDING IMAGEFLATTENING LENS MEANS FIXEDLY POSITIONED WITH REFERENCE TO SAID RECEIVING SURFACE, SAID LENS MEANS HAVING AT LEAST ONE OPTICALLY EFFECTIVE CURVED SURFACE EXTENDING OVER AN ANGLE SUBSTANTIALLY LARGER THAN SAID FIELD ANGLE IN THE PLANE OF ROTATION; AND MEANS FOR ROTATING SAID SECTORAL LENS ABOUT SAID AXIS.
References Cited (Backward Citations)
GB812406A
Cited
US2923220A
Cited
US2964997A
Cited
US2879703A
Cited
US3044379A
Cited
US3151524A
Cited
US3168858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |