US3137762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for amplifying the brightness of an optically formed image
Assignee: Gesellschaft zur Foerderung der Forschung an der Eidgenoessischen Technischen Hochschule
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Filing: 1960-09-01
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Granted: 1964-06-16
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Expires: 1980-09-01
Abstract
No abstract record available.
Inventors
- 👤 Baumgartner Willy
- 👤 Baumberger Clement
- 👤 Jaques Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:23
CPC Classifications
G; G03; G03G; G03G13/00; G03G13/22; G03G15/00; G03G15/04; G03G15/043; G03G15/0435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
APPARATUS FOR AMPLIFYING THE BRIGHTNESS OF AN OPTICALLY FORMED IMAGE COMPRISING A STRONG LIGHT SOURCE, MEANS ILLUMINATED BY SAID LIGHT SOURCE FOR ESTABISHING A PLUALITY OF SPACED STRIP-SHAPED ZONES HAVING A HIGH DEGREE OF BRIGHTNESS AS COMPARED WITH THAT OF SAID IMAGE TO BE AMPLIFIED, A MIRRORED SURFACE REFLECTING LIGHT COMING FROM SAID ILLUMINATED STRIP-SHAPED ZONES, AN OPTICAL SY
Claim 2
Dependent Claim
59 words
APPARATUS FOR AMPLIFYING THE BRIGHTNESS OF AN OPTICALLY FORMED IMAGE COMPRISING A STRONG LIGHT SOURCE, MEANS ILLUMINATED BY SAID LIGHT SOURCE FOR ESTABISHING A PLUALITY OF SPACED STRIP-SHAPED ZONES HAVING A HIGH DEGREE OF BRIGHTNESS AS COMPARED WITH THAT OF SAID IMAGE TO BE AMPLIFIED, A MIRRORED SURFACE REFLECTING LIGHT COMING FROM SAID ILLUMINATED STRIP-SHAPED ZONES, AN OPTICAL SY
References Cited (Backward Citations)
US2896507A
Cited
US2910532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |