US3085944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Free-flowing intrinsic factor concentrate
Assignee: Wyeth Holdings LLC
•
Filing: 1960-04-19
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Granted: 1963-04-16
•
Expires: 1980-04-19
Abstract
No abstract record available.
Inventors
- 👤 Valentine William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:15
CPC Classifications
A; A61; A61K; A61K31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A STABLE, SUBSTANTIALLY DRY, FREE-FLOWING POWDER COMPRISING INTRINSIC FACTOR CONCENTRATE AND A SILICEOUS MATERIAL, SAID POWDER CONTAINING NOT SUBSTANTIALLY LESS THAN 93% INTRINSIC FACTOR CONCENTRATE BY WEIGHT, AND SAID SILICEOUS MATERIAL HAVING A SURFACE AREA OF FROM ABOUT 25 TO ABOUT 250 SQUARE METERS/GRAM AND BEING PRESENT IN AN AMOUNT NOT SUBSTANTIALLY MORE THAN ABOUT 7% BY WEIGHT.
Claim 2
Dependent Claim
58 words
A STABLE, SUBSTANTIALLY DRY, FREE-FLOWING POWDER COMPRISING INTRINSIC FACTOR CONCENTRATE AND A SILICEOUS MATERIAL, SAID POWDER CONTAINING NOT SUBSTANTIALLY LESS THAN 93% INTRINSIC FACTOR CONCENTRATE BY WEIGHT, AND SAID SILICEOUS MATERIAL HAVING A SURFACE AREA OF FROM ABOUT 25 TO ABOUT 250 SQUARE METERS/GRAM AND BEING PRESENT IN AN AMOUNT NOT SUBSTANTIALLY MORE THAN ABOUT 7% BY WEIGHT.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |