US3331956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface level runway lighting unit
Assignee: GTE Sylvania Inc
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Filing: 1964-12-23
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Granted: 1967-07-18
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Expires: 1984-12-23
Abstract
No abstract record available.
Inventors
- 👤 Harold L Hough
- 👤 Robert E Levin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:30
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/18; B64F1/20; B64F1/205; E; E01; E01F; E01F9/00; E01F9/20; E01F9/50; E01F9/553; E01F9/559; G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0005; G02B6/0006; G02B6/0008; Y; Y10; Y10S; Y10S385/00; Y10S385/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
AN AIRCRAFT RUNWAY LIGHTING APPARATUS COMPRISING: A LAMP HOUSING, SAID HOUSING HAVING A CENTRAL PLATEAU, THE HEIGHT OF SAID HOUSING DIMINISHING FROM SAID PLATEAU TO THE OUTER EDGES; AN OPTICAL SYSTEM DISPOSED WITHIN A TUBULAR CASING LOCATED BELOW SAID CENTRAL PLATEAU, SAID SYSTEM COMPRISING A LAMP, A CONDENSING LENS MEANS AND A UNITARY CURVED OPTICAL CONDUIT HELD WITHIN THE CONFINES, OF A RECEPTACLE, SAID CURVED OPTICAL CONDUIT HAVING AN EXIT WINDOW BEING DISPOSED OUTSIDE OF SAID RECEPTACLE, SAID CONDENSING LENS MEANS BEING POSITIONED BETWEEN SAID LAMP AND ENTRANCE WINDOW OF SAID CURVED OPTICAL CONDUIT, SAID LAMP POTTED IN A REMOVABLE PLUG FITTED TO THE LOWER END OF SAID TUBULAR CASING, WHEREBY LIGHT RAYS FROM SAID LAMP WILL BE GATHERED, CONDENSED AND PROJECTED THROUGH SAID ENTRANCE WINDOW OF SAID OPTICAL CONDUIT AND CARRIED OVER AN ANGLED PATH TO EMERGE FROM SAID EXIT WINDOW; MEANS TO ALLOW THE EMERGENCE OF LIGHT FROM SAID EXIT WINDOW, SAID MEANS BEING POSITIONED IN SAID CENTRAL PLATEAU AND EXTENDING OUTWARDLY ON SAID HOUSING.
Claim 2
Dependent Claim
167 words
AN AIRCRAFT RUNWAY LIGHTING APPARATUS COMPRISING: A LAMP HOUSING, SAID HOUSING HAVING A CENTRAL PLATEAU, THE HEIGHT OF SAID HOUSING DIMINISHING FROM SAID PLATEAU TO THE OUTER EDGES; AN OPTICAL SYSTEM DISPOSED WITHIN A TUBULAR CASING LOCATED BELOW SAID CENTRAL PLATEAU, SAID SYSTEM COMPRISING A LAMP, A CONDENSING LENS MEANS AND A UNITARY CURVED OPTICAL CONDUIT HELD WITHIN THE CONFINES, OF A RECEPTACLE, SAID CURVED OPTICAL CONDUIT HAVING AN EXIT WINDOW BEING DISPOSED OUTSIDE OF SAID RECEPTACLE, SAID CONDENSING LENS MEANS BEING POSITIONED BETWEEN SAID LAMP AND ENTRANCE WINDOW OF SAID CURVED OPTICAL CONDUIT, SAID LAMP POTTED IN A REMOVABLE PLUG FITTED TO THE LOWER END OF SAID TUBULAR CASING, WHEREBY LIGHT RAYS FROM SAID LAMP WILL BE GATHERED, CONDENSED AND PROJECTED THROUGH SAID ENTRANCE WINDOW OF SAID OPTICAL CONDUIT AND CARRIED OVER AN ANGLED PATH TO EMERGE FROM SAID EXIT WINDOW; MEANS TO ALLOW THE EMERGENCE OF LIGHT FROM SAID EXIT WINDOW, SAID MEANS BEING POSITIONED IN SAID CENTRAL PLATEAU AND EXTENDING OUTWARDLY ON SAID HOUSING.
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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |