US2756580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for washing clothes
Assignee: Speed-Flex Inc
•
Filing: 1952-07-22
•
Granted: 1956-07-31
•
Expires: 1972-07-22
Abstract
No abstract record available.
Inventors
- 👤 George P Castner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:27
CPC Classifications
D; D06; D06F; D06F17/00; D06F17/06; D06F17/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1866779A
Cited
US1746250A
Cited
US1923580A
Cited
US2056833A
Cited
US2166294A
Cited
US2142961A
Cited
US2334780A
Cited
US2363184A
Cited
US2446750A
Cited
US2478188A
Cited
US2455043A
Cited
US2516656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |