US3250205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip-type air diffuser
Assignee: AIR FACTORS Inc
•
Filing: 1963-06-05
•
Granted: 1966-05-10
•
Expires: 1983-06-05
Abstract
No abstract record available.
Inventors
- 👤 Robert R Lambert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:49
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/072; F24F13/08; F24F13/10; F24F13/12; E; E04; E04B; E04B9/00; E04B9/02; E04B2009/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A PLENUM AIR DIFFUSER ADAPTED TO COOPERATE WITH A SUPPORTING BAR SYSTEM OF A SOFFIT TYPE CEILING, COMPRISING: AN ELONGATED, HOLLOW CASING PROVIDED WITH AN AIR SUPPLY PORT IN A SIDE THEREOF, A PAIR OF LONGITUDINALLY EXTENDING, SPACED WEBS, CONNECTED TO AND PROJECTING DOWNWARDLY FROM THE LOWER PORTION OF SAID CASING, THE OUTER EDGE PORTION OF SAID WEBS BEING PROVIDED WITH FOOT MEANS FOR COOPERATING WITH SUPPORTING BARS TO SUPPORT THE CASING ON SUCH BARS, ONE OF SAID WEBS BEING INCLINED WITH RESPECT TO THE OTHER TO FORM AN OUTWARDLY FLARING DISTRIBUTION CHAMBER THEREBETWEEN HAVING A LONGITUDINAL MEDIAL PLANE AT AN APPRECIABLE INCLINATION TO THE PLANE OF A CEILING INCLUDING SUCH BARS, A LONGITUDINALLY EXTENDING DOWNWARDLY DIRECTED PORT IN SAID CASING IN COMMUNICATION WITH SAID DISTRIBUTION CHAMBER, WEIR MEANS LOCATED ALONG ONE EDGE OF SAID LONGITUDINAL, DOWNWARDLY DIRECTED PORT MEANS FOR ADJUSTABLY POSITIONING SAID WEAR MEANS FOR CONTROLLABLY VARYING THE WIDTH OF SAID PORT TO REGULATE THE VELOCITY OF AIR PASSING FROM SAID CASING INTO SAID DISTRIBUTION CHAMBER,
Claim 2
Dependent Claim
168 words
A PLENUM AIR DIFFUSER ADAPTED TO COOPERATE WITH A SUPPORTING BAR SYSTEM OF A SOFFIT TYPE CEILING, COMPRISING: AN ELONGATED, HOLLOW CASING PROVIDED WITH AN AIR SUPPLY PORT IN A SIDE THEREOF, A PAIR OF LONGITUDINALLY EXTENDING, SPACED WEBS, CONNECTED TO AND PROJECTING DOWNWARDLY FROM THE LOWER PORTION OF SAID CASING, THE OUTER EDGE PORTION OF SAID WEBS BEING PROVIDED WITH FOOT MEANS FOR COOPERATING WITH SUPPORTING BARS TO SUPPORT THE CASING ON SUCH BARS, ONE OF SAID WEBS BEING INCLINED WITH RESPECT TO THE OTHER TO FORM AN OUTWARDLY FLARING DISTRIBUTION CHAMBER THEREBETWEEN HAVING A LONGITUDINAL MEDIAL PLANE AT AN APPRECIABLE INCLINATION TO THE PLANE OF A CEILING INCLUDING SUCH BARS, A LONGITUDINALLY EXTENDING DOWNWARDLY DIRECTED PORT IN SAID CASING IN COMMUNICATION WITH SAID DISTRIBUTION CHAMBER, WEIR MEANS LOCATED ALONG ONE EDGE OF SAID LONGITUDINAL, DOWNWARDLY DIRECTED PORT MEANS FOR ADJUSTABLY POSITIONING SAID WEAR MEANS FOR CONTROLLABLY VARYING THE WIDTH OF SAID PORT TO REGULATE THE VELOCITY OF AIR PASSING FROM SAID CASING INTO SAID DISTRIBUTION CHAMBER,
References Cited (Backward Citations)
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Cited
US2568044A
Cited
US3031944A
Cited
US3072038A
Cited
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Cited
US3099949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |