US2235827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing a sirup extract from yeast, high in b vitamins
Assignee: VEGEX Inc
•
Filing: 1935-03-23
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Granted: 1941-03-25
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Expires: 1955-03-23
Abstract
No abstract record available.
Inventors
- 👤 Cregor Nathan Minton
- 👤 Frederick E Timmer
- 👤 Robert M Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:50
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/505; A61K31/519; A61K31/525; A23; A23L; A23L33/00; A23L33/10; A23L33/14
Claims Analysis
Total Claims: 0
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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) | 1944-03-24 | 1944-09-23 | 1945-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-24 | 1948-09-23 | 1949-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-24 | 1952-09-23 | 1953-03-25 | $7700.00 | Window Closed / Lapsed |