US3113731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture
Assignee: Corning Glass Works
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Filing: 1962-06-05
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Granted: 1963-12-10
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Expires: 1982-06-05
Abstract
No abstract record available.
Inventors
- 👤 Everett F Kelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:49
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/10; F21V17/16; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
222 words
A LIGHTING FIXTURE COMPRISING A LIGHT SOURCE, A LIGHTTRANSMITTING PANEL, AND AT A LEVEL BELOW THAT OF SAID LIGHT SOURCE AN UPPER SUPPORT AND A LOWER SUPPORT, SAID SUPPORTS BEING SPACED APART BOTH HORIZONTALLY AND VERTICALLY, SAID PANEL PASSING BETWEEN SAID SUPPORTS AND BEING ROTATABLE THROUGH VERTICAL ANGLES BETWEEN A CLOSED POSITION AND AN OPEN POSITION, SAID PANEL HAVING PANEL SUPPORT MEANS NEAR ONE EDGE THEREOF EXTENDING OUTWARDLY AWAY FROM ONE SURFACE THEREOF, SAID LOWER SUPPORT ENGAGING SAID PANEL FROM BENEATH NEAR SAID MEANS WHEN SAID PANEL IS IN SAID CLOSED POSITION WITH SAID MEANS EXTENDING UPWARDLY FROM SAID PANEL, SAID UPPER SUPPORT ENGAGING SAID MEANS WHEN SAID PANEL IS IN SAID OPEN POSITION, SAID UPPER AND LOWER SUPPORTS BEING SEPARATED HORIZONTALLY BY A DISTANCE LESS THAN THE SUM OF THE LENGTH OF SAID MEANS AND THE THICKNESS OF THAT PART OF SAID PANEL ADJACENT THERETO AND VERTICALLY BY A DISTANCE SUBSTANTIALLY EQUAL TO THE THICKNESS OF SAID PANEL IN THE VICINITY OF SAID PANEL SUPPORT MEANS, SUCH THAT SAID UPPER SUPPORT PREVENTS UPWARD MOVEMENT OF THE END OF SAID PANEL NEAR SAID MEANS WHEN SAID PANEL IS IN SAID CLOSED POSITION, A THIRD SUPPORT BENEATH SAID PANEL NEAR ITS EDGE OPPOSITE SAID MEANS, AND SPRINGS RESILIENTLY MAINTAINING SAID PANEL ABOVE SAID LOWER SUPPORT AND SAID THIRD SUPPORT IN SAID CLOSED POSITION.
Claim 2
Dependent Claim
222 words
A LIGHTING FIXTURE COMPRISING A LIGHT SOURCE, A LIGHTTRANSMITTING PANEL, AND AT A LEVEL BELOW THAT OF SAID LIGHT SOURCE AN UPPER SUPPORT AND A LOWER SUPPORT, SAID SUPPORTS BEING SPACED APART BOTH HORIZONTALLY AND VERTICALLY, SAID PANEL PASSING BETWEEN SAID SUPPORTS AND BEING ROTATABLE THROUGH VERTICAL ANGLES BETWEEN A CLOSED POSITION AND AN OPEN POSITION, SAID PANEL HAVING PANEL SUPPORT MEANS NEAR ONE EDGE THEREOF EXTENDING OUTWARDLY AWAY FROM ONE SURFACE THEREOF, SAID LOWER SUPPORT ENGAGING SAID PANEL FROM BENEATH NEAR SAID MEANS WHEN SAID PANEL IS IN SAID CLOSED POSITION WITH SAID MEANS EXTENDING UPWARDLY FROM SAID PANEL, SAID UPPER SUPPORT ENGAGING SAID MEANS WHEN SAID PANEL IS IN SAID OPEN POSITION, SAID UPPER AND LOWER SUPPORTS BEING SEPARATED HORIZONTALLY BY A DISTANCE LESS THAN THE SUM OF THE LENGTH OF SAID MEANS AND THE THICKNESS OF THAT PART OF SAID PANEL ADJACENT THERETO AND VERTICALLY BY A DISTANCE SUBSTANTIALLY EQUAL TO THE THICKNESS OF SAID PANEL IN THE VICINITY OF SAID PANEL SUPPORT MEANS, SUCH THAT SAID UPPER SUPPORT PREVENTS UPWARD MOVEMENT OF THE END OF SAID PANEL NEAR SAID MEANS WHEN SAID PANEL IS IN SAID CLOSED POSITION, A THIRD SUPPORT BENEATH SAID PANEL NEAR ITS EDGE OPPOSITE SAID MEANS, AND SPRINGS RESILIENTLY MAINTAINING SAID PANEL ABOVE SAID LOWER SUPPORT AND SAID THIRD SUPPORT IN SAID CLOSED POSITION.
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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |