US3259052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined lighting and air handling apparatus
Assignee: Emerson Electric Co
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Filing: 1963-08-08
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Granted: 1966-07-05
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Expires: 1983-08-08
Abstract
No abstract record available.
Inventors
- 👤 Richard D Bradley
- 👤 Erwin C Hoelscher
- 👤 Robert A Homeier
- 👤 Murray L Quin
- 👤 Irvin J Scheveling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:38
CPC Classifications
F; F21; F21V; F21V33/00; F21V33/0088; F21V33/0092; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/078; F24F3/00; F24F3/044; F24F3/056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
246 words
AN ASSEMBLY OF LIGHTING FIXTURES FOR A GIVEN SPACE INCLUDING IN COMBINATION: AT LEAST ONE FIXUTRE HAVING A BODY WITH A SUBSTANTIALLY CLOSED BACK SIDE AND AN OPPOSITE OPEN SAID FACING THE GIVEN SPACE, LAMPS IN SAID BODY, A CLOSURE FOR SAID OPEN SIDE CONSTRUCTED WITH AIR INLET MEANS FOR ADMITTING SPACE AIR INTO SAID BODY FOR EXHAUST, MEANS ON SAID BODY FORMING AN OUTLET FOR ESCAPE OF LAMP HEATED EXHAUST AIR FROM SAID BODY, VENTILATING AIR SUPPLY MEANS FOR THE GIVEN SPACE INCLUDING CONDUIT MEANS MOUNTED ON SAID CLOSED BACK SIDE AND HAVING AN INLET TO RECEIVE VENTILATING AIR, SAID BODY INCLUDING AIR FLOW MEANS OPENING TO SAID GIVEN SPACE THROUGH SAID CLOSED BACK SIDE AND SEPERATE FROM BUT ADJACENT SAID OPEN SIDE, SAID CONDUIT MEANS ENCLOSING SAID AIR FLOW MEANS AND SAID INLET OPENING MEANS FOR SAID CLOSURE BEING SPACED FROM SAID AIR FLOW MEANS; AND AT LEAST ONE OTHER FIXTURE HAVING A BODY WITH A SUBSTANTIALLY CLOSED BACK SIDE AND AN OPPOSITE OPEN SIDE FACING THE GIVEN SPACE, LAMP MENS IN SAID BODY, A CLOSURE FOR SAID OPEN SIDE, MEANS ON SAID BODY FORMING AN OUTLET FOR ESCAPE OF LAMP HEATED AIR FROM SAID BODY, AND HEAT DISSIPATING MEANS IN SAID OTHER FIXTURE BODY ENGAGED UPON SAID LAMP MEANS TO AFFECT THE TEMPERATURE OF THE SAME, WHEREBY SAID ASSEMBLY OF FIXTURES HAVE SUBSTANTIALLY THE SAME COLOR APPEARANCE WHEN THE LAMPS ARE ON AND IN THE PRESENCE OF VENTILATING AIR AND EXHAUST AIR FLOW.
Claim 2
Dependent Claim
246 words
AN ASSEMBLY OF LIGHTING FIXTURES FOR A GIVEN SPACE INCLUDING IN COMBINATION: AT LEAST ONE FIXUTRE HAVING A BODY WITH A SUBSTANTIALLY CLOSED BACK SIDE AND AN OPPOSITE OPEN SAID FACING THE GIVEN SPACE, LAMPS IN SAID BODY, A CLOSURE FOR SAID OPEN SIDE CONSTRUCTED WITH AIR INLET MEANS FOR ADMITTING SPACE AIR INTO SAID BODY FOR EXHAUST, MEANS ON SAID BODY FORMING AN OUTLET FOR ESCAPE OF LAMP HEATED EXHAUST AIR FROM SAID BODY, VENTILATING AIR SUPPLY MEANS FOR THE GIVEN SPACE INCLUDING CONDUIT MEANS MOUNTED ON SAID CLOSED BACK SIDE AND HAVING AN INLET TO RECEIVE VENTILATING AIR, SAID BODY INCLUDING AIR FLOW MEANS OPENING TO SAID GIVEN SPACE THROUGH SAID CLOSED BACK SIDE AND SEPERATE FROM BUT ADJACENT SAID OPEN SIDE, SAID CONDUIT MEANS ENCLOSING SAID AIR FLOW MEANS AND SAID INLET OPENING MEANS FOR SAID CLOSURE BEING SPACED FROM SAID AIR FLOW MEANS; AND AT LEAST ONE OTHER FIXTURE HAVING A BODY WITH A SUBSTANTIALLY CLOSED BACK SIDE AND AN OPPOSITE OPEN SIDE FACING THE GIVEN SPACE, LAMP MENS IN SAID BODY, A CLOSURE FOR SAID OPEN SIDE, MEANS ON SAID BODY FORMING AN OUTLET FOR ESCAPE OF LAMP HEATED AIR FROM SAID BODY, AND HEAT DISSIPATING MEANS IN SAID OTHER FIXTURE BODY ENGAGED UPON SAID LAMP MEANS TO AFFECT THE TEMPERATURE OF THE SAME, WHEREBY SAID ASSEMBLY OF FIXTURES HAVE SUBSTANTIALLY THE SAME COLOR APPEARANCE WHEN THE LAMPS ARE ON AND IN THE PRESENCE OF VENTILATING AIR AND EXHAUST AIR FLOW.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |