US2572983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impeller assembly for dishwashing machines
Assignee: TRIUMPH DISHWASHERS Ltd
•
Filing: 1945-01-13
•
Granted: 1951-10-30
•
Expires: 1965-01-13
Abstract
No abstract record available.
Inventors
- 👤 Sidney G Burt-Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:15
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/02; A47L15/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1123408A
Cited
US1335853A
Cited
US1457240A
Cited
US1382117A
Cited
US1511661A
Cited
US1481115A
Cited
GB235686A
Cited
US1651083A
Cited
US1902193A
Cited
US1942452A
Cited
US2003003A
Cited
US1930381A
Cited
US2022637A
Cited
US2123892A
Cited
US2250314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |