US3444293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multifunctional laryngotracheitis vaccine and method of making the same
Assignee: MEDATZ Inc
•
Filing: 1964-08-24
•
Granted: 1969-05-13
•
Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Charles B Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:40
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/12; A61K39/245; A61K2039/51; A61K2039/525; A61K2039/5254; C; C12; C12N; C12N2710/00; C12N2710/00011; C12N2710/16011; C12N2710/16311; C12N2710/16334; Y; Y10; Y10S; Y10S424/00; Y10S424/816
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A PROCESS FOR PREPARING AN ATTENUATED LARYNGOTRACHEITIS VIRUS VACCINE WHICH CAN BE SAFELY ADMINISTERED OCULARLY, INTRANASALLY, INTRATRACHEALLY AND IN DRINKING WATER FO IMMUNIZING FOWL AGAINST INFECTIOUS LARYNGOTRACHEITIS COMPRISING THE STEPS OF INTRODUCING A VIRULENT, INFECTIOUS LARYNGOTRACHEITIS VIRUS INTO A FERTILE AVIAN EGG, INCUBATING THE EGG AT GROWTH SUSTAINING TEMPERATURES UNTIL A HARVESTABLE QUANTITY OF LARYNGOTRACHEITIS VIRUS HAS GROWN THEREIN, HARVESTING SAID LARYNGOTRACHEITIS VIRUS BY REMOVING AN INFECTED PORTION OF THE EMBRYONIC CONTENT OF THE EGG, REINTRODUCING THE VIRUS SO HARVESTED INTO A SECOND FERTILE AVIAN EGG AND REPEATING SUCH CULTURE PASSAGE OF THE VIRUS FOR A SUFFICIENT NUMBER OF PASSAGES TO PRODUCE AN ATTENUATED ANTIGENICALLY-EFFECTIVE LARYNGOTRACHEITIS VIRUS WHICH CAN BE SAFELY ADMINISTERED OCULARLY, INTRANASALLY, INTRATRACHEALLY AND IN DRINKING WATER.
Claim 2
Dependent Claim
119 words
A PROCESS FOR PREPARING AN ATTENUATED LARYNGOTRACHEITIS VIRUS VACCINE WHICH CAN BE SAFELY ADMINISTERED OCULARLY, INTRANASALLY, INTRATRACHEALLY AND IN DRINKING WATER FO IMMUNIZING FOWL AGAINST INFECTIOUS LARYNGOTRACHEITIS COMPRISING THE STEPS OF INTRODUCING A VIRULENT, INFECTIOUS LARYNGOTRACHEITIS VIRUS INTO A FERTILE AVIAN EGG, INCUBATING THE EGG AT GROWTH SUSTAINING TEMPERATURES UNTIL A HARVESTABLE QUANTITY OF LARYNGOTRACHEITIS VIRUS HAS GROWN THEREIN, HARVESTING SAID LARYNGOTRACHEITIS VIRUS BY REMOVING AN INFECTED PORTION OF THE EMBRYONIC CONTENT OF THE EGG, REINTRODUCING THE VIRUS SO HARVESTED INTO A SECOND FERTILE AVIAN EGG AND REPEATING SUCH CULTURE PASSAGE OF THE VIRUS FOR A SUFFICIENT NUMBER OF PASSAGES TO PRODUCE AN ATTENUATED ANTIGENICALLY-EFFECTIVE LARYNGOTRACHEITIS VIRUS WHICH CAN BE SAFELY ADMINISTERED OCULARLY, INTRANASALLY, INTRATRACHEALLY AND IN DRINKING WATER.
References Cited (Backward Citations)
US3331736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |