Patent US2539708A successfully refreshed from Google Patents.
US2539708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demountable leecher bucket for coffee urns
Assignee: Individual
•
Filing: 1946-06-14
•
Granted: 1951-01-30
•
Expires: 1966-06-14
Abstract
No abstract record available.
Inventors
- 👤 Donald F Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:10
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/06; A47J31/0631
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1574154A
Cited
US411037A
Cited
US437890A
Cited
US222109A
Cited
US663723A
Cited
US918765A
Cited
US873980A
Cited
US1569028A
Cited
US1549091A
Cited
US1630904A
Cited
US1561788A
Cited
US1680792A
Cited
US1882140A
Cited
FR766431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |