US3380261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making ice
Assignee: CHARLES M TUNNELL
•
Filing: 1966-04-04
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Granted: 1968-04-30
•
Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 Grover E Hendrix
- 👤 Charles M Tunnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:09
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AN ICE MAKING MACHINE COMPRISING: A REFRIGERATING MECHANISM INCLUDING A MOTOR COMPRESSOR UNIT, A CONDENSER, A LIQUID RECEIVER, AND AN EVAPORATOR COOLING MEMBER; A PLURALITY OF DEPENDING COOLING NIPPLES MOUNTED AT SPACED INTERVALS ALONG SAID EVAPORATOR MEMBER; WATER CONTAINER MEANS FOR HOLDING A BODY OF WATER; MEANS FOR MOVING SAID WATER CONTAINER INTO AND OUT OF POSITION TO DISPOSE THE WATER THEREIN IN HEAT EXCHANGING RELATIONSHIP WITH THE NIPPLES; MEANS FOR REDUCING THE VOLUME OF WATER IN SAID WATER CONTAINER EXPOSED TO THE COOLING NIPPLES FOR REDUCING THE VOLUME OF WATER REQUIRED TO FORM BODIES
Claim 2
Dependent Claim
95 words
AN ICE MAKING MACHINE COMPRISING: A REFRIGERATING MECHANISM INCLUDING A MOTOR COMPRESSOR UNIT, A CONDENSER, A LIQUID RECEIVER, AND AN EVAPORATOR COOLING MEMBER; A PLURALITY OF DEPENDING COOLING NIPPLES MOUNTED AT SPACED INTERVALS ALONG SAID EVAPORATOR MEMBER; WATER CONTAINER MEANS FOR HOLDING A BODY OF WATER; MEANS FOR MOVING SAID WATER CONTAINER INTO AND OUT OF POSITION TO DISPOSE THE WATER THEREIN IN HEAT EXCHANGING RELATIONSHIP WITH THE NIPPLES; MEANS FOR REDUCING THE VOLUME OF WATER IN SAID WATER CONTAINER EXPOSED TO THE COOLING NIPPLES FOR REDUCING THE VOLUME OF WATER REQUIRED TO FORM BODIES
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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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |