US3245152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tray lyophilization apparatus
Assignee: Individual
•
Filing: 1964-05-12
•
Granted: 1966-04-12
•
Expires: 1984-05-12
Abstract
No abstract record available.
Inventors
- 👤 Natelson Samuel
- 👤 Gottfried Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:37
CPC Classifications
F; F25; F25D; F25D31/00; F26; F26B; F26B5/00; F26B5/04; F26B5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN APPARATUS FOR LYOPHILIZATION OF A VOLATILE CONSTITUENT CONTAINED IN TRAYS, COMPRISING IN COMBINATION; A CABINET HAVING SHELVES THEREIN FOR SUPPORTING SAID TRAYS INCLUDING A GAS FEED LINE AND OUTLET FOR CIRCULATING GAS IN SAID CABAINET AT A CONSTANT TEMPERATURE, A MANIFOLD ADJACENT SAID CABINET HAVING AT LEAST ONE SUCTION LINE PASSING INTO THE CABINET AND TUBE MEANS FOR SUCTION PUMPS MEANS TO ACT ON SAID MANIFOLD; A COOLING CHAMBER WITH COOLING COILS, COMMUNICATING WITH SAID MANIFOLD; AT LEAST ONE COVER DEVICE IN SAID CABINET DISPOSED OVER SAID TRAY MADE OF AN INERT MEDIUM HAVING A LOWER, AT LEAST PARTLY FLAT RESILIENT, SEALING SECTION, A APERTURE IN SAID COVER DEVICE AND AN OUTLET DUCT SEALED THERETO FOR COUPLING TO SAID SUCTION LINE AND, A BLEEDER LINE, AND A BLEEDER VALVE COMMUNICATING WITH SAID COVER APPARATUS APERTURE FOR DIIFFERENTIAL PRESSURE RELEASE.
Claim 2
Independent Claim
140 words
AN APPARATUS FOR LYOPHILIZATION OF A VOLATILE CONSTITUENT CONTAINED IN TRAYS, COMPRISING IN COMBINATION; A CABINET HAVING SHELVES THEREIN FOR SUPPORTING SAID TRAYS INCLUDING A GAS FEED LINE AND OUTLET FOR CIRCULATING GAS IN SAID CABAINET AT A CONSTANT TEMPERATURE, A MANIFOLD ADJACENT SAID CABINET HAVING AT LEAST ONE SUCTION LINE PASSING INTO THE CABINET AND TUBE MEANS FOR SUCTION PUMPS MEANS TO ACT ON SAID MANIFOLD; A COOLING CHAMBER WITH COOLING COILS, COMMUNICATING WITH SAID MANIFOLD; AT LEAST ONE COVER DEVICE IN SAID CABINET DISPOSED OVER SAID TRAY MADE OF AN INERT MEDIUM HAVING A LOWER, AT LEAST PARTLY FLAT RESILIENT, SEALING SECTION, A APERTURE IN SAID COVER DEVICE AND AN OUTLET DUCT SEALED THERETO FOR COUPLING TO SAID SUCTION LINE AND, A BLEEDER LINE, AND A BLEEDER VALVE COMMUNICATING WITH SAID COVER APPARATUS APERTURE FOR DIIFFERENTIAL PRESSURE RELEASE.
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |