US3096033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceiling panel
Assignee: Holophane Corp
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Filing: 1960-01-22
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Granted: 1963-07-02
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Expires: 1980-01-22
Abstract
No abstract record available.
Inventors
- 👤 Franck Kurt
- 👤 Vearl S Wince
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:00
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/32; F; F21; F21V; F21V17/00; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
A RECTUNGALAR LIGHT TRANSMITTER FOR USE BELOW FLUORECENT LAMPS AND MADE OF A SINGLE PIECE OF PLASTIC TRANSPARENT MATERIAL, THE TRANSMITTER HAVING A WEB PANEL, INTERSECTING RIB MEANS EXTENDING DOWNWARDLY FROM THE LIGHT EMERGENT SURFACE OF SAID WEB PANEL FOR STRENGTHENING SAID WEB PANEL AND EXTENDNG BETWEEN THE EDGES OF SAID WEB PANEL, PRISM MEANS SUBSTANTIALLY COVERING THE LIGHT EMERGENT SURFACES OF SAID PANEL BETWEEN SAID INTERSECTING RIB MEANS FOR ALTERING THE DIRECTION OF TRANSMITTED LIGHT THERETHROUGH SO AS TO OBSCURE THE FLUORESCENT LAMPS AND PREVENT GLARE, AND FURTHER PRISM MEANS ON THE BOTTOM EDGES OF SAID RIB MEANS FOR ALTERING THE DIRECTION OF LIGHT TRANSMITTED THERETHROUGH SO AS TO PREVENT GLARE.
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |