Patent US2182479A successfully refreshed from Google Patents.
Patent US2881693A successfully refreshed from Google Patents.
US2881693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brewing head for automatic coffee brewing apparatus
Assignee: WESTERN URN Manufacturing CORP
•
Filing: 1955-09-12
•
Granted: 1959-04-14
•
Expires: 1975-09-12
Abstract
No abstract record available.
Inventors
- 👤 Daniel M Wells
- 👤 James H Tarrant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:49
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/06; A47J31/0615
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US174983A
Cited
US1377316A
Cited
US1774980A
Cited
FR757358A
Cited
US2484054A
Cited
US2615385A
Cited
US2761200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |