Patent US3436319A successfully refreshed from Google Patents.
US3436319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin layer steam distillation of hop oil extract
Assignee: IRMGARD F VON HORST
•
Filing: 1965-04-27
•
Granted: 1969-04-01
•
Expires: 1985-04-27
Abstract
No abstract record available.
Inventors
- 👤 Louis Anton Freiherr Von Horst
- 👤 Maximilian Kellner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:10
CPC Classifications
C; C12; C12C; C12C3/00; C12C3/12; C12C3/04; C12C3/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1567455A
Cited
US1800632A
Cited
US1873167A
Cited
US2249524A
Cited
US2367695A
Cited
US3222181A
Cited
US3155522A
Cited
US3298835A
Cited
US3364033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |