US3268720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting system
Assignee: Lithonia Lighting Inc
•
Filing: 1965-08-02
•
Granted: 1966-08-23
•
Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 Meckler Gershon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:20
CPC Classifications
F; F21; F21V; F21V29/00; F21V33/00; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
AN APPARATUS COMPRISING A FIXTURE FOR MOUNTING A SOURCE OF ARTIFICIAL LIGHT, A REFLECTOR POSITIONED GENERALLY ADJACENT SAID FIXTURE, A COOLING PANEL, COOLING MEANS IN THERMAL CONTACT WITH SAID COOLING PANEL, AND NORMALLY OPERABLE TO TRANSFER HEAT FROM SAID COOLING PANEL TO ENABLE SAID COOLING PANEL TO ABSORB HEAT FROM AN AIR-CONDITIONED SPACE, MEANS IN THERMAL CONTACT WITH SAID REFLECTOR AND EFFECTIVE TO TRANSFER HEAT THEREFROM TO A HIGH TEMPERATURE HEAT TRANSFER FLUID, AND CONTROL MEANS OPERATIVELY ASSOCIATED WITH SAID COOLING MEANS AND EFFECTIVE TO CONTROL THE TRANSFER OF HEAT THERETO FROM SAID COOLING PANEL IN RESPONSE TO TEMPERATURE CHANGES IN THE AIR CONDITIONED SPACE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |