Patent US2482337A successfully refreshed from Google Patents.
US2482337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner converter arrangement
Assignee: Eureka Williams Co
•
Filing: 1943-08-20
•
Granted: 1949-09-20
•
Expires: 1963-08-20
Abstract
No abstract record available.
Inventors
- 👤 Paul T Hahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:22
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1332235A
Cited
US1506858A
Cited
US1907644A
Cited
US2140143A
Cited
US2072690A
Cited
US2070682A
Cited
US2036056A
Cited
US2080480A
Cited
US2363002A
Cited
US2340347A
Cited
US2366125A
Cited
US2416786A
Cited
US2450828A
Cited
US2450846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |