US3108451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning system and apparatus
Assignee: Individual
•
Filing: 1960-07-20
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Granted: 1963-10-29
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Expires: 1980-07-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:01
CPC Classifications
F; F25; F25B; F25B39/00; F25B39/04; F24; F24F; F24F6/00; F24F6/02; F24F6/04; F25B2339/00; F25B2339/04; F25B2339/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN AN AIR CONDITIONING SYSTEM HAVING A REFRIGERANT COMPRESOR AND AIR-COOLED REFRIGERANT CONDENSER AND MEANS FOR DELIVERING A STREAM OF COOLING AIR CROSS THE CONDENSE, AN EVAPORATIVE PAD IN THE PATH OF SAID AIR STREAM, A SOURCE OF WATER UNDER NORMAL WATER SYSTEM PRESSURE AND MEANS FOR DELIVERING WATER FROM SAID SOURCE TO SAID PAD IN RESPONSE TO GENERATION OF A PREDETERMINED PRESSURE IN SAID COMPRESSOR, WHEREBY TO PRE-COOL SAID STREAM OF AIR BY WATER EVAPORATION.
Claim 2
Dependent Claim
76 words
IN AN AIR CONDITIONING SYSTEM HAVING A REFRIGERANT COMPRESOR AND AIR-COOLED REFRIGERANT CONDENSER AND MEANS FOR DELIVERING A STREAM OF COOLING AIR CROSS THE CONDENSE, AN EVAPORATIVE PAD IN THE PATH OF SAID AIR STREAM, A SOURCE OF WATER UNDER NORMAL WATER SYSTEM PRESSURE AND MEANS FOR DELIVERING WATER FROM SAID SOURCE TO SAID PAD IN RESPONSE TO GENERATION OF A PREDETERMINED PRESSURE IN SAID COMPRESSOR, WHEREBY TO PRE-COOL SAID STREAM OF AIR BY WATER EVAPORATION.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |