US3369112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Runway centerline light
Assignee: Westinghouse Electric Corp
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Filing: 1966-10-12
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Granted: 1968-02-13
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Expires: 1986-10-12
Abstract
No abstract record available.
Inventors
- 👤 Charles H Loch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:33
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/18; B64F1/20; B64F1/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
AN AIRPORT RUNWAY LIGHT FOR PROJECTING A SUBSTANTIALLY HORIZONTAL LIGHT BEAM BIDIRECTIONALLY ALONG A RUNWAY COMPRISING: (A) A COVER PLATE HAVING AN UPPER FACE AND A CAVITY FORMED IN THE UNDERSIDE THEREOF; (B) FIRST AND SECOND LIGHT REFRACTING MEANS SEALED INTO OPPOSITELY DISPOSED PASSAGES CONNECTING SAID CAVITY WITH SAID UPPER FACE; (C) AN ACCESS APERTURE CENTRALLY LOCATED IN SAID UPPER FACE AND EXTENDING INTO SAID CAVITY; (D) A SUPPORT PLATE SECURED TO THE UNDERSIDE OF SAID COVER PLATE AND BRIDGING SAID ACCESS APERTURE AT ITS JUNCTURE WITH SAID CAVITY; (E) A LIGHT SOURCE MOUNTED ON SAID SUPPORT PLATE AND EXTENDING INTO SAID CAVITY, SAID LIGHT SOURCE HAVING A LIGHT PRODUCING FILAMENT THEREIN; (F) MEANS REMOVABLY SECURED WITHIN SAID ACCESS APERTURE EFFECTIVELY SEALING OFF SAID APERTURE AND ELECTRICALLY CONNECTING SAID LIGHT SOURCE, SAID
Claim 2
Dependent Claim
132 words
AN AIRPORT RUNWAY LIGHT FOR PROJECTING A SUBSTANTIALLY HORIZONTAL LIGHT BEAM BIDIRECTIONALLY ALONG A RUNWAY COMPRISING: (A) A COVER PLATE HAVING AN UPPER FACE AND A CAVITY FORMED IN THE UNDERSIDE THEREOF; (B) FIRST AND SECOND LIGHT REFRACTING MEANS SEALED INTO OPPOSITELY DISPOSED PASSAGES CONNECTING SAID CAVITY WITH SAID UPPER FACE; (C) AN ACCESS APERTURE CENTRALLY LOCATED IN SAID UPPER FACE AND EXTENDING INTO SAID CAVITY; (D) A SUPPORT PLATE SECURED TO THE UNDERSIDE OF SAID COVER PLATE AND BRIDGING SAID ACCESS APERTURE AT ITS JUNCTURE WITH SAID CAVITY; (E) A LIGHT SOURCE MOUNTED ON SAID SUPPORT PLATE AND EXTENDING INTO SAID CAVITY, SAID LIGHT SOURCE HAVING A LIGHT PRODUCING FILAMENT THEREIN; (F) MEANS REMOVABLY SECURED WITHIN SAID ACCESS APERTURE EFFECTIVELY SEALING OFF SAID APERTURE AND ELECTRICALLY CONNECTING SAID LIGHT SOURCE, SAID
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) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |