US3306071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling coil with condensate director
Assignee: Individual
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Filing: 1965-08-26
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Granted: 1967-02-28
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Expires: 1985-08-26
Abstract
No abstract record available.
Inventors
- 👤 Earl F Holyfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:25
CPC Classifications
F; F28; F28D; F28D7/00; F28D7/08; F28D7/082; F28D7/085; F24; F24F; F24F13/00; F24F13/22; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/34; F28F1/36; F28F17/00; F28F17/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A COOLING COIL FOR AN AIR CONDITIONING SYSTEM COMPRISING: A HOUSING HAVING VERTICALLY DISPOSED INSULATED WALLS DEFINING A FLOW PASSAGEWAY, SAID WALLS HAVING THE LOWER INTERIOR ENDS ARRANGED TO FORM A CONTINUOUS, OPENTOPPED CONDUIT ENCOMPASSING SAID FLOW PASSAGEWAY; AN ANFRACTUOUS CONDUIT LOCATED IN SAID FLOW PASSAGEWAY RELATIVELY ABOVE SAID OPEN-TOPPED CONDUIT, SAID ANFRACTUOUS CONDUIT HAVING AN INLET AND OUTLET, A PLURALITY OF VERTICALLY AND HORIZONTALLY SPACED ELONGATED PORTIONS DISPOSED IN A SUBSTANTIALLY HORIZONTAL POSITION, AND A PLURALITY OF REVERSE BEND PORTIONS CONNECTING SAID ELONGATED PORTIONS; RADIATING MEANS CONNECTED WITH AND HELICALLY WOUND ON THE ELONGATED PORTIONS OF ALTERNATING ROWS OF SAID ANFRACTUOUS CONDUIT AND DISPOSED IN A GENERALLY VERTICAL POSITION; A PLURALITY OF ELONGATED DUCT MEMBERS HAVING AN UPSTANDING PORTION ENGAGING THE LOWER PORTION OF SAID RADIATING MEANS ON THE LOWERMOST ROW OF SAID ANFRACTUOUS CONDUIT AND HAVING A TROUGH PORTION ON THE LOWER END OF SAID UPSTANDING PORTION, SAID DUCT MEMBERS HAVING THE ENDS THEREOF DISPOSED ABOVE THE
Claim 2
Dependent Claim
159 words
A COOLING COIL FOR AN AIR CONDITIONING SYSTEM COMPRISING: A HOUSING HAVING VERTICALLY DISPOSED INSULATED WALLS DEFINING A FLOW PASSAGEWAY, SAID WALLS HAVING THE LOWER INTERIOR ENDS ARRANGED TO FORM A CONTINUOUS, OPENTOPPED CONDUIT ENCOMPASSING SAID FLOW PASSAGEWAY; AN ANFRACTUOUS CONDUIT LOCATED IN SAID FLOW PASSAGEWAY RELATIVELY ABOVE SAID OPEN-TOPPED CONDUIT, SAID ANFRACTUOUS CONDUIT HAVING AN INLET AND OUTLET, A PLURALITY OF VERTICALLY AND HORIZONTALLY SPACED ELONGATED PORTIONS DISPOSED IN A SUBSTANTIALLY HORIZONTAL POSITION, AND A PLURALITY OF REVERSE BEND PORTIONS CONNECTING SAID ELONGATED PORTIONS; RADIATING MEANS CONNECTED WITH AND HELICALLY WOUND ON THE ELONGATED PORTIONS OF ALTERNATING ROWS OF SAID ANFRACTUOUS CONDUIT AND DISPOSED IN A GENERALLY VERTICAL POSITION; A PLURALITY OF ELONGATED DUCT MEMBERS HAVING AN UPSTANDING PORTION ENGAGING THE LOWER PORTION OF SAID RADIATING MEANS ON THE LOWERMOST ROW OF SAID ANFRACTUOUS CONDUIT AND HAVING A TROUGH PORTION ON THE LOWER END OF SAID UPSTANDING PORTION, SAID DUCT MEMBERS HAVING THE ENDS THEREOF DISPOSED ABOVE THE
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |