US3179035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coffee brewer
Assignee: Cory Corp
•
Filing: 1963-08-14
•
Granted: 1965-04-20
•
Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 William L Lockett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:13
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/44; A47J31/54; A47J31/56
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
IN A BREWING APPARATUS HAVING A TANK PROVIDED WITH A DUCT FOR SELECTIVELY INTRODUCING INTO AND REMOVNG FLUID FROM THE TANK, MEANS FOR CONTROLLING THE FLUID FLOW COMPRISING: A VALVE SELECTIVELY POSITIONABLE TO CLOSE THE DUCT; A FLOAT CONNECTED TO THE VALVE FOR POSITIONING THE VALVE TO CLOSE THE DUCT WHEN THE FLUID LEVEL IN THE TANK REACHES A PRESELECTED HIGH LEVEL; AND MEANS SELECTIVELY OPERABLE TO LOWER THE FLOAT AGAINST THE BUOYANT FORCE THROUGH THE FLUID TO POSITION THE VALVE TO OPEN THE DUCT.
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |