US3199216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for shell freezing of heat sensitive liquids
Assignee: Individual
•
Filing: 1961-08-09
•
Granted: 1965-08-10
•
Expires: 1981-08-09
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Broadwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:45
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/42; B; B04; B04B; B04B5/00; B04B5/02; F; F26; F26B; F26B5/00; F26B5/04; F26B5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A DEVICE FOR SHELL FREEZING OF HEAT SENSITIVE LIQUIDS WHICH INCLUDES A CENTRIFUGAL DEVICE FOR SUPPORTING A SINGLE CONTAINER, SAID SINGLE CONTAINER HAVING UPPER AND LOWER ENDS SUPPORTED IN SAID DEVICE IN AN ANGULAR POSITION, A MOTOR HAVING A VERTICAL DRIVE AXIS AND DRIVING ARM EXTENDING PERPENDICULAR FROM SAID DRIVE AXIS AND ROTATED BY SAID MOTOR, THE UPPER END OF SAID CONTAINER SUPPORTING DEVICE PIVOTALLY MOUNTED AT A POINT ON THE DRIVING AXIS OF SAID MOTOR, THE LOWER END OF SAID CONTAINER SUPPORTING DEVICE PIVOTALLY MOUNTED ON AN OUTER EXTREMITY OF SAID DRIVING ARM TO BE ROTATED ABOUT THE MOTOR DRIVE TO PRODUCE THE NECESSARY CENTRIFUGAL FORCE FOR SHELL FREEZING OF THE LIQUID IN SAID CONTAINER, SAID CONTAINER BEING CLOSED AT THE LOWER END AND HAVING AN OPEN MOUTH AT THE UPPER END, A VACUUM SEALING COVER FOR THE MOUTH OF SAID CONTAINER AND AN AXIALLY MOVABLE STOPPER MOUNTED FOR RECIPROCATION IN THE SEALING COVER AND SEALING THE MOUTH OF SAID CONTAINER, A VACUUM PRODUCING SOURCE CONNECTED TO SAID VACUUM SEALING COVER, AND A VACUUM RELEASE VALVE IN SAID VACUUM SEALING COVER.
Claim 2
Independent Claim
182 words
A DEVICE FOR SHELL FREEZING OF HEAT SENSITIVE LIQUIDS WHICH INCLUDES A CENTRIFUGAL DEVICE FOR SUPPORTING A SINGLE CONTAINER, SAID SINGLE CONTAINER HAVING UPPER AND LOWER ENDS SUPPORTED IN SAID DEVICE IN AN ANGULAR POSITION, A MOTOR HAVING A VERTICAL DRIVE AXIS AND DRIVING ARM EXTENDING PERPENDICULAR FROM SAID DRIVE AXIS AND ROTATED BY SAID MOTOR, THE UPPER END OF SAID CONTAINER SUPPORTING DEVICE PIVOTALLY MOUNTED AT A POINT ON THE DRIVING AXIS OF SAID MOTOR, THE LOWER END OF SAID CONTAINER SUPPORTING DEVICE PIVOTALLY MOUNTED ON AN OUTER EXTREMITY OF SAID DRIVING ARM TO BE ROTATED ABOUT THE MOTOR DRIVE TO PRODUCE THE NECESSARY CENTRIFUGAL FORCE FOR SHELL FREEZING OF THE LIQUID IN SAID CONTAINER, SAID CONTAINER BEING CLOSED AT THE LOWER END AND HAVING AN OPEN MOUTH AT THE UPPER END, A VACUUM SEALING COVER FOR THE MOUTH OF SAID CONTAINER AND AN AXIALLY MOVABLE STOPPER MOUNTED FOR RECIPROCATION IN THE SEALING COVER AND SEALING THE MOUTH OF SAID CONTAINER, A VACUUM PRODUCING SOURCE CONNECTED TO SAID VACUUM SEALING COVER, AND A VACUUM RELEASE VALVE IN SAID VACUUM SEALING COVER.
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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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |