US3258030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mix-and-air feeding device for dispensing freezers
Assignee: Sweden Freezer Manufacturing Co
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Filing: 1963-12-13
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Granted: 1966-06-28
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Expires: 1983-12-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles William Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:46
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/20; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86292; Y10T137/8634
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
133 words
IN A MIX AND AIR FEEDING DEVICE FOR INTRODUCTION TO A TUBULAR CONNECTION BETWEEN THE MIX TANK AND FREEZING CHAMBER OF A DISPENSING FREEZER, AN OPEN-ENDED ENDS HAVING AN ANNULAR STOPPER FLANGE INTERMEDIATE ITS ENDS FOR SEATING ON THE UPPER RIM OF SAID CONNECTION, A MIX PORT THERETHROUGH LOCATED CLOSELY ABOVE SAID STOPPER FLANGE AND HAVING AN AREA SMALLER THAN THE MINIMUN INTERIOR CROSS-SECTIONAL AREA OF THE TUBE, AND A LAND SURMOUNTING SAID STOPPER FLANGE EXTENDING ABOVE THE LEVEL OF THE TOP OF SAID MIX PORT IN CIRCUMFERENTIALLY SPACED RELATION THERETO; AND AN ADJUSTING SLEEVE ON SAID TUBE HAVING A BOTTOM SLOT OPEN TO THE LOWER END OF THE SLEEVE AND EXTENDING UPWARDLY A DISTANCE EXCEEDING THE DIFFERENCES IN LEVELS BETWEEN THE TOP OF SAID LAND AND THE BOTTOM OF SAID MIX PORT.
References Cited (Backward Citations)
US1054533A
Cited
US1321513A
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US1086663A
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US3068889A
Cited
US3141583A
Cited
US3179133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |