US3787499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extraction of pure bitter acids from hops or crude hop extracts
Assignee: HOPS EXTRACT CORP
•
Filing: 1971-09-03
•
Granted: 1974-01-22
•
Expires: 1991-09-03
Abstract
Abstract A NOVEL PROCESS FOR THE EXTRACTION OF PURE ALPHA ACIDS FROM HOPS IS DESCRIBED.
Inventors
- 👤 H Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:32
CPC Classifications
C; C12; C12C; C12C7/00; C12C7/20; C12C7/205; C12C3/00; C12C3/04; C12C3/08; C12C9/00; C12C9/02; C12C9/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |