Patent US3205809A successfully refreshed from Google Patents.
US3205809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diffuser construction
Assignee: Air Devices Inc
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Filing: 1963-03-06
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Granted: 1965-09-14
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Expires: 1983-03-06
Abstract
No abstract record available.
Inventors
- 👤 George J Sweeney
- 👤 Rocco R Borzone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:53
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
APERIPHERAL JET DIFFUSER OF THE TYPE CONNECTED TO A CEILING CONDUIT AND FITTING INTO A CEILING RECESS REMPRISING AN ENCIRCLING FRAME FITTING INTO SAID RECESS, PLURALTY OF SUPERIMPOSED CENTRALY DOWNWARDLY DISHED PLATES, A SUPPORTING STRUCTURE SUSPENDING SAID PLATES FROM SAID FRAME, THE UPPER PLATES HAVING CENTRAL OPENINGS SAID PLATES HAVING A PLURALITY OF RADIATING OFFSET CHANNELS AND RIDGES TO GIVE PERIPHERAL JET EFFECT, SAID CHANNELS AND RIDGES TO BY OUTWARDLY RADIATING DEPRESSIONS FORMED BY BENDING BY OUTWARDLY RADIATING DEPRESSIONS FORMED BY BENDING THE PLATES RADIALY TO A BLUNT EDGE DOWNWARDLY AND SAID RIDGES BEING FORMED BY OUTWARDLY RADIATING ELEVATIONS FORMED BY BENDING THE PLATED RADIALLY UPWARDLY AND SIDES WARDLY AND DOWNWARDLY EXTENDING RADIATING SECTORS OF INCREASING WIDTH OUTWARDLY AND EXTENDING IN A SLIGHT SLOPE FROM THE TOP OF THE RIDGE TO THE BOTTOM OF THE CHANNEL AND VICE VERSA.
Claim 2
Dependent Claim
139 words
APERIPHERAL JET DIFFUSER OF THE TYPE CONNECTED TO A CEILING CONDUIT AND FITTING INTO A CEILING RECESS REMPRISING AN ENCIRCLING FRAME FITTING INTO SAID RECESS, PLURALTY OF SUPERIMPOSED CENTRALY DOWNWARDLY DISHED PLATES, A SUPPORTING STRUCTURE SUSPENDING SAID PLATES FROM SAID FRAME, THE UPPER PLATES HAVING CENTRAL OPENINGS SAID PLATES HAVING A PLURALITY OF RADIATING OFFSET CHANNELS AND RIDGES TO GIVE PERIPHERAL JET EFFECT, SAID CHANNELS AND RIDGES TO BY OUTWARDLY RADIATING DEPRESSIONS FORMED BY BENDING BY OUTWARDLY RADIATING DEPRESSIONS FORMED BY BENDING THE PLATES RADIALY TO A BLUNT EDGE DOWNWARDLY AND SAID RIDGES BEING FORMED BY OUTWARDLY RADIATING ELEVATIONS FORMED BY BENDING THE PLATED RADIALLY UPWARDLY AND SIDES WARDLY AND DOWNWARDLY EXTENDING RADIATING SECTORS OF INCREASING WIDTH OUTWARDLY AND EXTENDING IN A SLIGHT SLOPE FROM THE TOP OF THE RIDGE TO THE BOTTOM OF THE CHANNEL AND VICE VERSA.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |