US3229576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hyperbolic ellipsoidal real time display panoramic viewing installation for vehicles
Assignee: Individual
•
Filing: 1962-11-21
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Granted: 1966-01-18
•
Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 Donald W Rees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:57
CPC Classifications
G; G02; G02B; G02B13/00; G02B13/06; F; F41; F41H; F41H5/00; F41H5/26; F41H5/266; G02B23/00; G02B23/02; G02B23/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A VIEWING INSTALLATION FOR PRODUCING A REAL TIME DISPLAY USED IN VEHICLE GUIDANCE, SAID INSTALLATION COMPRISING A HYPERBOLIC IMAGE COLLECTOR, A WIDE ANGLE LENS OPTICALLY COUPLED TO SAID COLLECTOR, THE OPTICAL CENTER OF SAID WIDE ANGLE LENS BEING COINCIDENT WITH THE OUTER FOCUS OF SAID HYPERBOLIC IMAGE COLLECTOR, AN ELLIPTICAL VIEWING SCREEN HAVING AN ECCENTRICITY WHICH IS THE RECIPROCAL OF THE ECCENTRICITY OF THE IMAGE COLLECTOR, AN IMAGE INTENSIFICATION MEANS HAVING AN INPUT SURFACE AND AN OUTPUT SURFACE, A PROJECTION LENS HAVING A FOCAL LENGTH EQUAL TO THE FOCAL LENGTH OF SAID WIDE ANGLE LENS, AND WHEREIN THE
Claim 2
Dependent Claim
98 words
A VIEWING INSTALLATION FOR PRODUCING A REAL TIME DISPLAY USED IN VEHICLE GUIDANCE, SAID INSTALLATION COMPRISING A HYPERBOLIC IMAGE COLLECTOR, A WIDE ANGLE LENS OPTICALLY COUPLED TO SAID COLLECTOR, THE OPTICAL CENTER OF SAID WIDE ANGLE LENS BEING COINCIDENT WITH THE OUTER FOCUS OF SAID HYPERBOLIC IMAGE COLLECTOR, AN ELLIPTICAL VIEWING SCREEN HAVING AN ECCENTRICITY WHICH IS THE RECIPROCAL OF THE ECCENTRICITY OF THE IMAGE COLLECTOR, AN IMAGE INTENSIFICATION MEANS HAVING AN INPUT SURFACE AND AN OUTPUT SURFACE, A PROJECTION LENS HAVING A FOCAL LENGTH EQUAL TO THE FOCAL LENGTH OF SAID WIDE ANGLE LENS, AND WHEREIN THE
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |