US3195547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the freezing of a product to be lyophilized and other products
Assignee: Usifroid SA
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Filing: 1963-07-24
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Granted: 1965-07-20
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Expires: 1983-07-24
Abstract
No abstract record available.
Inventors
- 👤 Rieutord Louis Marie Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:30
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/06; A; A61; A61B; A61B18/00; A61B18/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
APPARATUS FOR FREEZING A LIQUID IN A CONTAINER, COMPRISING AN UPRIGHT SLEEVE FOR IMMERSION IN A COOLING LIQUID, MEANS ABOVE THE SLEEVE FOR ROTATING THE SLEEVE ABOUT AN UPRIGHT AXIS WITH THE SLEEVE ENCOMPASSING SAID AXIS, MEANS FOR SUPPORTING A CONTAINER IN THE SLEEVE, AND PUMP MEANS COMPRISING AT LEAST ONE PROJECTION ON THE LOWER PART OF THE SLEEVE FOR FORCING SAID COOLING LIQUID UPWARDLY WITHIN THE SLEEVE UPON ROTATION OF THE SLEEVE.
Claim 2
Dependent Claim
73 words
APPARATUS FOR FREEZING A LIQUID IN A CONTAINER, COMPRISING AN UPRIGHT SLEEVE FOR IMMERSION IN A COOLING LIQUID, MEANS ABOVE THE SLEEVE FOR ROTATING THE SLEEVE ABOUT AN UPRIGHT AXIS WITH THE SLEEVE ENCOMPASSING SAID AXIS, MEANS FOR SUPPORTING A CONTAINER IN THE SLEEVE, AND PUMP MEANS COMPRISING AT LEAST ONE PROJECTION ON THE LOWER PART OF THE SLEEVE FOR FORCING SAID COOLING LIQUID UPWARDLY WITHIN THE SLEEVE UPON ROTATION OF THE SLEEVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |