Patent US3552976A successfully refreshed from Google Patents.
US3552976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of brewing single cup quantities of beverage
Assignee: Vendking Ltd
•
Filing: 1966-11-03
•
Granted: 1971-01-05
•
Expires: 1986-11-03
Abstract
Abstract METHOD FOR BREWING BEVERAGE FROM HOT WATER AND GROUND BEVERAGE MATERIAL COMPRISING THE STEPS OF: SUPPLY- ING THE HOT WATER AND BEVERAGE MATERIAL, HAVING A FLOOR PERMEABLE TO GAS AND LIQUID AND IMPERMEABLE TO THE MATERIAL, FORCING AIR UPWARDLY THROUGH THE FLOOR OF THE CHAMBER TO AGITATE THE WATER AND BEVERAGE MATERIAL FOR A PREDETERMINED TIME AND THEN WITHDRAWING THE BEVERAGE DOWN THROUGH THE CHAMBER FLOOR.
Inventors
- 👤 Alan M King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:22
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/40; A47J31/408; A23; A23F; A23F5/00; A23F5/24; A23F5/26; G; G07; G07F; G07F13/00; G07F13/06; G07F13/065
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |