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US3379031A
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Artificial ice rink employing modular units
Assignee: Individual
•
Filing: 1966-01-24
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Granted: 1968-04-23
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Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 Jr John C Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:09
CPC Classifications
E; E01; E01C; E01C13/00; E01C13/10; E01C13/102; E01C13/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN ARTIFICIAL ICE RINK COMPRISING AT LEAST TWO, INTERCONNECTED, FIBRE-GLASS REINFORCED POLYESTER RESIN, COOLING MODULES HAVING INTEGRAL SIDES FOR ICE RETENTION THEREON AND HAVING INTERNAL VEINS FOR THE CIRCULATION OF A COOLING LIQUID WHICH MAINTAINS THE SURFACE OF SAID MODULES AT A TEMPERATURE BELOW THE FREEZING POINT OF WATER TO ALLOW FOR FORMATION OF ICE THEREON.
Claim 2
Dependent Claim
56 words
AN ARTIFICIAL ICE RINK COMPRISING AT LEAST TWO, INTERCONNECTED, FIBRE-GLASS REINFORCED POLYESTER RESIN, COOLING MODULES HAVING INTEGRAL SIDES FOR ICE RETENTION THEREON AND HAVING INTERNAL VEINS FOR THE CIRCULATION OF A COOLING LIQUID WHICH MAINTAINS THE SURFACE OF SAID MODULES AT A TEMPERATURE BELOW THE FREEZING POINT OF WATER TO ALLOW FOR FORMATION OF ICE THEREON.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |