US3265804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation shielding light transmitter
Assignee: Holophane Corp
•
Filing: 1965-10-27
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Granted: 1966-08-09
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Expires: 1985-10-27
Abstract
No abstract record available.
Inventors
- 👤 Berger Emanuel
- 👤 Vearl S Wince
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:08
CPC Classifications
F; F21; F21V; F21V5/00; F21V11/00; F21V11/06; F21V13/00; F21V13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A RADIATION SHIELDING LIGHT TRANSMITTING ELEMENT COMPRISING A LIGHT INCIDENT SURFACE, A LIGHT EMERGENT SURFACE, LIGHT CONTROLLING MEANS ON SAID LIGHT EMERGENT SURFACE FOR DIRECTING LIGHT PASSAGE THROUGH SAID ELEMENT, A GRID OF ELECTRICALLY CONDUCTIVE BARS SUPPORTED ON SAID LIGHT INCIDENT SURFACE AND WHICH EXPOSE A CONSIDERABLE PORTION OF SAID LIGHT INCIDENT SURFACE BETWEEN SAID BARS, AND MEANS FOR GROUNDING AND GRID, SAID LIGHT CONTROLLING MEANS COMPRISING A PLURALITY OF PRISMS FORMING A NETWORK OF VALLEYS ALIGNED WITH SAID BARS.
Claim 2
Dependent Claim
80 words
A RADIATION SHIELDING LIGHT TRANSMITTING ELEMENT COMPRISING A LIGHT INCIDENT SURFACE, A LIGHT EMERGENT SURFACE, LIGHT CONTROLLING MEANS ON SAID LIGHT EMERGENT SURFACE FOR DIRECTING LIGHT PASSAGE THROUGH SAID ELEMENT, A GRID OF ELECTRICALLY CONDUCTIVE BARS SUPPORTED ON SAID LIGHT INCIDENT SURFACE AND WHICH EXPOSE A CONSIDERABLE PORTION OF SAID LIGHT INCIDENT SURFACE BETWEEN SAID BARS, AND MEANS FOR GROUNDING AND GRID, SAID LIGHT CONTROLLING MEANS COMPRISING A PLURALITY OF PRISMS FORMING A NETWORK OF VALLEYS ALIGNED WITH SAID BARS.
References Cited (Backward Citations)
US2416202A
Cited
US2398624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |