Patent US3536494A successfully refreshed from Google Patents.
US3536494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a multi-vitamin food enrichment composition
Assignee: HENRY J JOHNSON
•
Filing: 1967-04-07
•
Granted: 1970-10-27
•
Expires: 1987-04-07
Abstract
No abstract record available.
Inventors
- 👤 Henry J Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:30
CPC Classifications
A; A23; A23L; A23L33/00; A23L33/10; A23L33/15; A23V; A23V2002/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |