US3208508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning system and method
Assignee: Carrier Corp
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Filing: 1961-12-15
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Granted: 1965-09-28
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Expires: 1981-12-15
Abstract
No abstract record available.
Inventors
- 👤 David F Bryans
- 👤 Boris W Haritonoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:10
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD OF CONDITIONING AIR IN A MULTIPLE-ZONE BUILDING WHICH REQUIRES HEATING AND COOLING COMPRISING THE STEPS OF SUPPLYING PRIMARY AIR FROM A CENTRAL STATION TO INDUCE ZONE AIR TO/ PASS IN HEAT EXCHANGE RELATION WITH A HEAT EXCHANGE MEMBER, MOVING A DAMPER TO REGULATE THE QUANTITY OF ZONE AIR BEING PASSED IN HEAT EXCHANGE RELATION WITH THE HEAT EXCHANGE MEMBER, SUPPLYING A HOT CONDITIONING MEDIUM TO THE HEAT EXCHANGE MEMBER, SUPPLYING A COLD CONDITIONING MEDIUM TO THE HEAT EXCHANGE MEMBER, AND SELECTING THE SUPPLY OF CONDITIONING MEDIUM TO THE HEAT EXCHANGE MEMBER IN RESPONSE TO A PREDETERMINED POSITION OF THE DAMPER.
Claim 2
Independent Claim
102 words
A METHOD OF CONDITIONING AIR IN A MULTIPLE-ZONE BUILDING WHICH REQUIRES HEATING AND COOLING COMPRISING THE STEPS OF SUPPLYING PRIMARY AIR FROM A CENTRAL STATION TO INDUCE ZONE AIR TO/ PASS IN HEAT EXCHANGE RELATION WITH A HEAT EXCHANGE MEMBER, MOVING A DAMPER TO REGULATE THE QUANTITY OF ZONE AIR BEING PASSED IN HEAT EXCHANGE RELATION WITH THE HEAT EXCHANGE MEMBER, SUPPLYING A HOT CONDITIONING MEDIUM TO THE HEAT EXCHANGE MEMBER, SUPPLYING A COLD CONDITIONING MEDIUM TO THE HEAT EXCHANGE MEMBER, AND SELECTING THE SUPPLY OF CONDITIONING MEDIUM TO THE HEAT EXCHANGE MEMBER IN RESPONSE TO A PREDETERMINED POSITION OF THE DAMPER.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |