Patent US3720760B1 successfully refreshed from Google Patents.
US3758310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preserving hops
Assignee: MARIETTA BRIEM
•
Filing: 1967-05-08
•
Granted: 1973-09-11
•
Expires: 1987-05-08
Abstract
Abstract HOPS CAN BE STORED FOR A LONG PERIOD OF TIME BY DRYING AND CRUSHING FRESHLY PICKED HOPS, AND SEALING THE CRUSHED HOPS IN AN AIR-TIGHT FILM ENVELOPE WHICH HAS AN ATMOSPHERE CONSISTING ESSENTIALLY OF A CARBON DIOXIDE-NITROGEN MIXTURE.
Inventors
- 👤 F Briem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:27
CPC Classifications
C; C12; C12C; C12C3/00; C12C3/04
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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |