Patent US4447564A successfully refreshed from Google Patents.
Patent US3247678A successfully refreshed from Google Patents.
US3247678A
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US
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Air conditioning with ice-brine slurry
Assignee: Individual
•
Filing: 1963-10-02
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Granted: 1966-04-26
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Expires: 1983-10-02
Abstract
No abstract record available.
Inventors
- 👤 John W Mohlman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:06
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/02; F24; F24F; F24F5/00; F24F5/0007; F24F5/0017; Y; Y02; Y02E; Y02E60/00; Y02E60/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
SYSTEM FOR REFRIGERATION OF AIR IN A SPACE COMPRISING FREEZER MEANS ADMITTING FEED BRINE AND EXHAUSTING AN ICE BRINE SLURRY, MEANS TO FORM ICE CRYSTALS IN THE BRINE IN THE FREEZER, AN ELEVATED HEAD TANK, A FIRST CONDUIT AND FIRST PUMP FOR PASSING SAID SLURRY FROM THE FREEZER TO SAID HEAD TANK, A CONDUIT IN SAID SPACE CONNECTED TO SAID HEAD TANK FRO RECEIVING SAID SLURRY FROM SAID TANK, MEANS FOR MOVING SAID AIR IN HEAT EXCHANGE WITH SAID SLURRY IN SAID SPACE THEREBY TO MELT THE ICE IN SAID SLURRY AND TO REFRIGERATE SAID AIR, AND MEANS FOR RETURNING THE BRINE FROM SAID HEAT EXCHANGE MEANS TO SAID FREEZER.
Claim 2
Dependent Claim
110 words
SYSTEM FOR REFRIGERATION OF AIR IN A SPACE COMPRISING FREEZER MEANS ADMITTING FEED BRINE AND EXHAUSTING AN ICE BRINE SLURRY, MEANS TO FORM ICE CRYSTALS IN THE BRINE IN THE FREEZER, AN ELEVATED HEAD TANK, A FIRST CONDUIT AND FIRST PUMP FOR PASSING SAID SLURRY FROM THE FREEZER TO SAID HEAD TANK, A CONDUIT IN SAID SPACE CONNECTED TO SAID HEAD TANK FRO RECEIVING SAID SLURRY FROM SAID TANK, MEANS FOR MOVING SAID AIR IN HEAT EXCHANGE WITH SAID SLURRY IN SAID SPACE THEREBY TO MELT THE ICE IN SAID SLURRY AND TO REFRIGERATE SAID AIR, AND MEANS FOR RETURNING THE BRINE FROM SAID HEAT EXCHANGE MEANS TO SAID FREEZER.
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |