US3132812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash reflector with improved corner illumination
Assignee: Eastman Kodak Co
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Filing: 1961-08-29
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Granted: 1964-05-12
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Expires: 1981-08-29
Abstract
No abstract record available.
Inventors
- 👤 Howard E Strobel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:32
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/0442; F; F21; F21V; F21V7/00; F21V7/04; G02; G02B; G02B5/00; G02B5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A CUP SHAPED REFLECTOR IN COMBINATION WITH MEANS FOR HOLDING A LIGHT SOURCE AT A POINT ON THE AXIS THEREOF TO PRODUCE A DIVERGING LIGHT BEAM SHAPED AS AN APPROXIMATELY SQUARE PYRAMID WITH ROUNDED DIHEDRAL EDGES, SAID REFLECTOR CONSISTING OF FOUR APPROXIMATELY SPHERICAL SECTIONS CONCAVE TO THE AXIS AND SYMMETRICALLY LOCATED ON THE DIAGONALS OF SAID PYRAMID AND EACH SECTION BEING LOCATED WITH ITS CENTER OF CURVATURE BEYOND THE AXIS AND OVER TWICE AND LESS THAN THREE TIMES AS FAR FROM THE REFLECTOR AS SAID POINT ON THE AXIS TO DIVERGINGLY REFLECT A PORTION OF THE LIGHT FROM THE SOURCE BACK ACROSS THE AXIS TO FORM THE OPPOSITE ROUNDED DIHEDRAL EDGE OF SAID PYRAMID.
Claim 2
Dependent Claim
114 words
A CUP SHAPED REFLECTOR IN COMBINATION WITH MEANS FOR HOLDING A LIGHT SOURCE AT A POINT ON THE AXIS THEREOF TO PRODUCE A DIVERGING LIGHT BEAM SHAPED AS AN APPROXIMATELY SQUARE PYRAMID WITH ROUNDED DIHEDRAL EDGES, SAID REFLECTOR CONSISTING OF FOUR APPROXIMATELY SPHERICAL SECTIONS CONCAVE TO THE AXIS AND SYMMETRICALLY LOCATED ON THE DIAGONALS OF SAID PYRAMID AND EACH SECTION BEING LOCATED WITH ITS CENTER OF CURVATURE BEYOND THE AXIS AND OVER TWICE AND LESS THAN THREE TIMES AS FAR FROM THE REFLECTOR AS SAID POINT ON THE AXIS TO DIVERGINGLY REFLECT A PORTION OF THE LIGHT FROM THE SOURCE BACK ACROSS THE AXIS TO FORM THE OPPOSITE ROUNDED DIHEDRAL EDGE OF SAID PYRAMID.
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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |