Patent US3355155A successfully refreshed from Google Patents.
US3355155A
Expired / Lapsed
US
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Humidifier for air conditioning systems
Assignee: Individual
•
Filing: 1966-09-21
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Granted: 1967-11-28
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Expires: 1986-09-21
Abstract
No abstract record available.
Inventors
- 👤 John H Heltzen
- 👤 Richard W Mccahon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:18
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/08; F24F6/10; Y; Y10; Y10S; Y10S261/00; Y10S261/15; Y10S261/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A HUMIDIFIER FOR AN AIR CONDITIONING SYSTEM, SAID HUMIDIFIER COMPRISING: (A) A PAN ADAPTED TO BE EXPOSED TO AN AIR STREAM PRODUCED BY AN AIR CONDITIONING SYSTEM; (B) A PLURALITY OF HOLLOW SHELLS EXTENDING UPWARDLY FROM THE BOTTOM OF SAID PAN, THE INTERIOR OF EACH SHELL BEING ISOLATED FROM THE INTERIOR OF SAID PAN AND OPEN AT ITS UNDERSIDE; (C) A SUP-PAN SECURED TO THE BOTTOM OF SAID PAN AND THE INTERIORS OF SAID SHELLS BEING EXPOSED TO SAID SUBPAN; (D) A SERIES OF HEATING ELEMENT SUPPORTS MOUNTED IN SAID SUB-PAN AND EXTENDING INTO SAID SHELLS; (E) A SERIES OF HEATING ELEMENTS CARRIED BY SAID SUPPORTS FOR HEATING SAID SHELLS; (F) WICKS COVERING SAID SHELLS;
Claim 2
Dependent Claim
115 words
A HUMIDIFIER FOR AN AIR CONDITIONING SYSTEM, SAID HUMIDIFIER COMPRISING: (A) A PAN ADAPTED TO BE EXPOSED TO AN AIR STREAM PRODUCED BY AN AIR CONDITIONING SYSTEM; (B) A PLURALITY OF HOLLOW SHELLS EXTENDING UPWARDLY FROM THE BOTTOM OF SAID PAN, THE INTERIOR OF EACH SHELL BEING ISOLATED FROM THE INTERIOR OF SAID PAN AND OPEN AT ITS UNDERSIDE; (C) A SUP-PAN SECURED TO THE BOTTOM OF SAID PAN AND THE INTERIORS OF SAID SHELLS BEING EXPOSED TO SAID SUBPAN; (D) A SERIES OF HEATING ELEMENT SUPPORTS MOUNTED IN SAID SUB-PAN AND EXTENDING INTO SAID SHELLS; (E) A SERIES OF HEATING ELEMENTS CARRIED BY SAID SUPPORTS FOR HEATING SAID SHELLS; (F) WICKS COVERING SAID SHELLS;
References Cited (Backward Citations)
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Cited
US1154113A
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US2214269A
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US2858825A
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US2870762A
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US3189328A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |