Patent US3230723A successfully refreshed from Google Patents.
US3230723A
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Apparatus for cooling dental cements
Assignee: HOY D MCINTIRE
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Filing: 1964-12-18
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Granted: 1966-01-25
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Expires: 1984-12-18
Abstract
No abstract record available.
Inventors
- 👤 David C Korn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:37
CPC Classifications
A; A61; A61C; A61C19/00; F; F25; F25B; F25B21/00; F25B21/02; F25B21/04; F25D; F25D2400/00; F25D2400/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
AN APPARATUS FOR COOLING DENTAL CEMENTS COMPRISING, IN COMBINATION, HOUSING MEANS; A REMOVABLE MIXING SLAB MEANS MOUNTED IN SAID HOUSING MEANS; THEREMOELECTRIC COOLING MEANS IN HEAT CONDUCTING RELATIONSHIP WITH SAID SLAB MEANS; PLATE MEANS IN HEAT CONDUCTING RELATIONSHIP WITH SAID COOLING MEANS; FAN MEANS DISPOSED IN SAID HOUSING MEANS TO REMOVE THE HEAT GENERATED BY SAID COOLING MEANS; AND TEMPERATURE CONTROL MEANS OPERATIVELY CONNECTED TO SAID COOLING MEANS FOR AUTOMATICALLY CONTROLLING THE TEMPEATURE OF SAID COOLING MEANS.
Claim 2
Independent Claim
77 words
AN APPARATUS FOR COOLING DENTAL CEMENTS COMPRISING, IN COMBINATION, HOUSING MEANS; A REMOVABLE MIXING SLAB MEANS MOUNTED IN SAID HOUSING MEANS; THEREMOELECTRIC COOLING MEANS IN HEAT CONDUCTING RELATIONSHIP WITH SAID SLAB MEANS; PLATE MEANS IN HEAT CONDUCTING RELATIONSHIP WITH SAID COOLING MEANS; FAN MEANS DISPOSED IN SAID HOUSING MEANS TO REMOVE THE HEAT GENERATED BY SAID COOLING MEANS; AND TEMPERATURE CONTROL MEANS OPERATIVELY CONNECTED TO SAID COOLING MEANS FOR AUTOMATICALLY CONTROLLING THE TEMPEATURE OF SAID COOLING MEANS.
References Cited (Backward Citations)
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |