Patent US3608458A successfully refreshed from Google Patents.
US3608458A
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US
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Wide-angle,stereoscopic,and fisheye-type camera for substantially distortion-free stereoscopy
Assignee: Jetru Inc
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Filing: 1968-12-10
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Granted: 1971-09-28
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Expires: 1988-12-10
Abstract
Abstract A WIDE-ANGLE, STEREOSCOPIC, AND FISHEYE-TYPE CAMERA FOR PANORAMIC STEREO RE-CREATIONS UTILIZING FISHEYE LENSES WHICH PREFERABLY HAVE DIVERGING OPTICAL AXES FOR TAKING PICTURES WHICH WHEN PROPERLY VIEWED ENABLE SUBSTANTIALLY DISTORTION-FREE WIDE-ANGLE RE-CREATIONS.
Inventors
- 👤 Harvey L Ratliff Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:06
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04; G03B35/00; G03B35/08; G03B37/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |