Patent US2595793A successfully refreshed from Google Patents.
US2595793A
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Method and apparatus for producing vaccines
Assignee: Parke Davis and Co LLC
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Filing: 1947-10-27
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Granted: 1952-05-06
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Expires: 1967-10-27
Abstract
No abstract record available.
Inventors
- 👤 William W Kay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:30
CPC Classifications
A; A61; A61K; A61K39/00; A61K41/00; A61K41/10; A61K41/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A METHOD OF IRRADIATING VACCINES WHEREIN A VACCINE FLOWS AT RELATIVELY HIGH VELOCITY IN A THIN FILM PAST A SOURCE OF ULTRAVIOLET RADIATION; THE STEPS OF PROPELLING A STERILE PRELIMINARY LIQUID OF A VISCOSITY SIMILAR TO THAT OF THE VACCINE TO FLOW IN A FILM PAST SAID SOURCE BY MEANS OF DIFFERENTIAL GASEOUS PRESSURE, DETERMINING THE RATE OF FLOW OF SAID LIQUID IN SAID FILM, ADJUSTING THE PRESSURE DIFFERENTIAL TO OBTAIN A PREDETERMINED RATE OF FLOW, DISCONTINUING THE FLOW OF SAID LIQUID AND CAUSING THE VACCINE TO FLOW UNDER THE
Claim 2
Dependent Claim
91 words
IN A METHOD OF IRRADIATING VACCINES WHEREIN A VACCINE FLOWS AT RELATIVELY HIGH VELOCITY IN A THIN FILM PAST A SOURCE OF ULTRAVIOLET RADIATION; THE STEPS OF PROPELLING A STERILE PRELIMINARY LIQUID OF A VISCOSITY SIMILAR TO THAT OF THE VACCINE TO FLOW IN A FILM PAST SAID SOURCE BY MEANS OF DIFFERENTIAL GASEOUS PRESSURE, DETERMINING THE RATE OF FLOW OF SAID LIQUID IN SAID FILM, ADJUSTING THE PRESSURE DIFFERENTIAL TO OBTAIN A PREDETERMINED RATE OF FLOW, DISCONTINUING THE FLOW OF SAID LIQUID AND CAUSING THE VACCINE TO FLOW UNDER THE
References Cited (Backward Citations)
US1016017A
Cited
US1191916A
Cited
US1769941A
Cited
US1966547A
Cited
US2235138A
Cited
US2405704A
Cited
US2421382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |