US3046201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic culture media
Assignee: Wyeth Holdings LLC
•
Filing: 1961-07-17
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Granted: 1962-07-24
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Malcolm L White
- 👤 Donald C Whener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:00
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A NUTRIENT MICROBIOLOGICAL MEDIUM COMPRISING FROM ABOUT 3 TO ABOUT 20 PARTS BY WEIGHT OF WATER AND AS A GELLING CONSTITUENT A POLYMER OF (1) FROM ABOUT 0.01 TO ABOUT 0.25 PART BY WEIGHT OF AT LEAST ONE ALKYLIDENE-BISACRYLAMIDE OF THE FORMULA:
Claim 2
Dependent Claim
42 words
A NUTRIENT MICROBIOLOGICAL MEDIUM COMPRISING FROM ABOUT 3 TO ABOUT 20 PARTS BY WEIGHT OF WATER AND AS A GELLING CONSTITUENT A POLYMER OF (1) FROM ABOUT 0.01 TO ABOUT 0.25 PART BY WEIGHT OF AT LEAST ONE ALKYLIDENE-BISACRYLAMIDE OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |