US2708178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Testing procedure
Assignee: Wyeth LLC
•
Filing: 1953-10-09
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Granted: 1955-05-10
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Expires: 1973-10-09
Abstract
No abstract record available.
Inventors
- 👤 Gyorgy Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:39
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/02; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/853
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE METHOD OF DETERMINING WHETHER A SUBSTANCE CONTAINS THE LACTOBACILLUS BIFIDUS GROWTH-PROMOTING FACTOR COMPRISING SUBSTANCES OF THE GROUP OF N-GLYCOSIDES CONTAINING N-ACETYL-HEXOSAMINES IN GLYCOSIDIC LINKAGE WHICH COMPRISES ADDING A SMALL AMOUNT OF THE SUBSTANCE TO BE TESTED TO A MEDIUM OF LOCTOBACILLUS BIFIDUS GROWTH WHICH IS SUFFICIENT IN ALL NUTRIENTS NEEED FOR THE STRAIN LACTOBACILLUS BIFIDUS VAR. PENN TO GROW THEREON EXCEPT SAID GRWOTH-PROMOTING FACTOR, SAID MEDIUM CONTAINING SUFFICIENT LACTONE TO SUPPLY THE CARBOHYDRATE REQUIREMENT OF SAID LACTOBACILLUS BIFIDUS VAR. PENN, INOCULATING SAID MEDIUM CONTAINING SAID ADDED SUBSTANCE WITH LACTOBACILLUS BIFIDUS VAR. PENN, AND INCLUBATING SAID INOCULATED MEDIUM UNDER MICROAEROPHILIC CONDITIONS.
Claim 2
Independent Claim
101 words
THE METHOD OF DETERMINING WHETHER A SUBSTANCE CONTAINS THE LACTOBACILLUS BIFIDUS GROWTH-PROMOTING FACTOR COMPRISING SUBSTANCES OF THE GROUP OF N-GLYCOSIDES CONTAINING N-ACETYL-HEXOSAMINES IN GLYCOSIDIC LINKAGE WHICH COMPRISES ADDING A SMALL AMOUNT OF THE SUBSTANCE TO BE TESTED TO A MEDIUM OF LOCTOBACILLUS BIFIDUS GROWTH WHICH IS SUFFICIENT IN ALL NUTRIENTS NEEED FOR THE STRAIN LACTOBACILLUS BIFIDUS VAR. PENN TO GROW THEREON EXCEPT SAID GRWOTH-PROMOTING FACTOR, SAID MEDIUM CONTAINING SUFFICIENT LACTONE TO SUPPLY THE CARBOHYDRATE REQUIREMENT OF SAID LACTOBACILLUS BIFIDUS VAR. PENN, INOCULATING SAID MEDIUM CONTAINING SAID ADDED SUBSTANCE WITH LACTOBACILLUS BIFIDUS VAR. PENN, AND INCLUBATING SAID INOCULATED MEDIUM UNDER MICROAEROPHILIC CONDITIONS.
References Cited (Backward Citations)
US2595499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |