US3418915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clean air ceiling module
Assignee: Farr Co
•
Filing: 1966-08-18
•
Granted: 1968-12-31
•
Expires: 1986-08-18
Abstract
No abstract record available.
Inventors
- 👤 Robert I Marble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:25
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/16; F24F3/167; B; B01; B01D; B01D46/00; B01D46/10; B01D46/12; F24F13/00; F24F13/28; Y; Y10; Y10S; Y10S55/00; Y10S55/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A LIGHTING AND FILTRATION MODULE COMPRISING FRAME MEANS FOR SUPPORTING FILTER MEANS AND LIGHTING MEANS, SAID FRAME MEANS COMPRISING SIDE MEMBERS AND CROSS MEMBERS FOR SUPPORTING THE EDGES OF SAID FILTER MEANS IN A SEALED RELATIONSHIP WITH SAID FRAME MEANS AND ALLOWING AIR TO PASS THROUGH SAID FILTER MEANS AND FOR SUPPORTING SAID LIGHTING MEANS WITH THE INTERIOR THEREOF IN A SEALED RELATIONSHIP WITH RESPECT TO AIR PASSING THROUGH SAID FILTER MEANS, AND SAID LIGHTING MEANS INCLUDING LIGHTING FIXTURE MEANS FOR RECEIVING LAMPS AND INCLUDING DUCT MEANS UPON WHICH SAID LIGHTING FIXTURE MEANS ARE MOUNTED FOR RECEIVING AIR AND SUPPLYING COOLING AIR TO SAID LAMPS, SAID DUCT MEANS COMPRISING BOTTOM WALL MEANS TO WHICH SAID LIGHTING FIXTURE MEANS ARE ATTACHED WITH SAID BOTTOM WALL MEANS INCLUDING A PLURALITY OF ELONGATED SLOTS NEAR THE SIDES OF SAID FIXTURE MEANS FOR ALLOWING AIR SUPPLIED TO SAID DUCT MEANS TO PASS THROUGH A FIRST SLOT AND ACROSS SAID LAMPS TO A SECOND SLOT FOR COOLING SAID LAMPS AND EXHAUSTING THE AIR AFTER IT HAS PASSED ACROSS SAID LAMPS.
Claim 2
Dependent Claim
175 words
A LIGHTING AND FILTRATION MODULE COMPRISING FRAME MEANS FOR SUPPORTING FILTER MEANS AND LIGHTING MEANS, SAID FRAME MEANS COMPRISING SIDE MEMBERS AND CROSS MEMBERS FOR SUPPORTING THE EDGES OF SAID FILTER MEANS IN A SEALED RELATIONSHIP WITH SAID FRAME MEANS AND ALLOWING AIR TO PASS THROUGH SAID FILTER MEANS AND FOR SUPPORTING SAID LIGHTING MEANS WITH THE INTERIOR THEREOF IN A SEALED RELATIONSHIP WITH RESPECT TO AIR PASSING THROUGH SAID FILTER MEANS, AND SAID LIGHTING MEANS INCLUDING LIGHTING FIXTURE MEANS FOR RECEIVING LAMPS AND INCLUDING DUCT MEANS UPON WHICH SAID LIGHTING FIXTURE MEANS ARE MOUNTED FOR RECEIVING AIR AND SUPPLYING COOLING AIR TO SAID LAMPS, SAID DUCT MEANS COMPRISING BOTTOM WALL MEANS TO WHICH SAID LIGHTING FIXTURE MEANS ARE ATTACHED WITH SAID BOTTOM WALL MEANS INCLUDING A PLURALITY OF ELONGATED SLOTS NEAR THE SIDES OF SAID FIXTURE MEANS FOR ALLOWING AIR SUPPLIED TO SAID DUCT MEANS TO PASS THROUGH A FIRST SLOT AND ACROSS SAID LAMPS TO A SECOND SLOT FOR COOLING SAID LAMPS AND EXHAUSTING THE AIR AFTER IT HAS PASSED ACROSS SAID LAMPS.
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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |