Patent US3150302A successfully refreshed from Google Patents.
Patent US3293772A successfully refreshed from Google Patents.
US3293772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tray lyophilization apparatus
Assignee: Individual
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Filing: 1965-10-04
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Granted: 1966-12-27
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Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 Gottfried Herbert
- 👤 Natelson Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:13
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
AN ARRANGEMENT OF LYOPHILIZATION OF A VOLATILE CONSTITUENT IN A CONTAINER HAVING A STOPPER, COMPRISING IN COMBINATION; A CABINET HAVING SHELVES THEREFOR SUPPORTING A VESSEL INTO WHICH SAID CONTAINER CAN BE PLACED WITH AT LEAST ONE SUCTION LINE PASSING INTO THE CABINET; COOLING COILS, IN SAID CABINET DISPOSED SO AS TO COOL SAID VESSEL; AT LEAST ONE COVER DEVICE IN SAID CABINET DESIGNED TO BE DISPOSED OVER SAID VESSEL MADE OF AN INERT MEDIUM HAVING A LOWER, AT LEAST PARTLY FLAT RESILIENT, SEALING SECTION, AN APERTURE IN SAID COVER DEVICE AND AN OUTLET DUCT SEALED THERETO FOR COUPLING TO SAID SUCTION LINE, A BLEEDER LINE, AND A BLEEDER VALVE COMMUNICATING WITH SAID COVER DEVICE APERTURE FOR DIFFERENTIAL PRESSURE RELEASE; AND, A PISTON CHAMBER, PISTON ROD AND PISTON PLATE DISPOSED IN SAID APERTURE SAID PISTON PLATE BEING DISPOSED TO REST ON SAID CONTAINER STOPPERS, A FLUID FEED LINE TO SAID PISTON CHAMBER, SO THAT THE FEEDING OF FLUID THERETO WILL ACT ON SAID PISTON ROD PRESSING SAID PLATE ON SAID STOPPER SEALING THE CONTAINER.
Claim 2
Dependent Claim
173 words
AN ARRANGEMENT OF LYOPHILIZATION OF A VOLATILE CONSTITUENT IN A CONTAINER HAVING A STOPPER, COMPRISING IN COMBINATION; A CABINET HAVING SHELVES THEREFOR SUPPORTING A VESSEL INTO WHICH SAID CONTAINER CAN BE PLACED WITH AT LEAST ONE SUCTION LINE PASSING INTO THE CABINET; COOLING COILS, IN SAID CABINET DISPOSED SO AS TO COOL SAID VESSEL; AT LEAST ONE COVER DEVICE IN SAID CABINET DESIGNED TO BE DISPOSED OVER SAID VESSEL MADE OF AN INERT MEDIUM HAVING A LOWER, AT LEAST PARTLY FLAT RESILIENT, SEALING SECTION, AN APERTURE IN SAID COVER DEVICE AND AN OUTLET DUCT SEALED THERETO FOR COUPLING TO SAID SUCTION LINE, A BLEEDER LINE, AND A BLEEDER VALVE COMMUNICATING WITH SAID COVER DEVICE APERTURE FOR DIFFERENTIAL PRESSURE RELEASE; AND, A PISTON CHAMBER, PISTON ROD AND PISTON PLATE DISPOSED IN SAID APERTURE SAID PISTON PLATE BEING DISPOSED TO REST ON SAID CONTAINER STOPPERS, A FLUID FEED LINE TO SAID PISTON CHAMBER, SO THAT THE FEEDING OF FLUID THERETO WILL ACT ON SAID PISTON ROD PRESSING SAID PLATE ON SAID STOPPER SEALING THE CONTAINER.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |