US2651383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction cleaner
Assignee: Individual
•
Filing: 1949-10-21
•
Granted: 1953-09-08
•
Expires: 1969-10-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward H Yonkers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:24
CPC Classifications
A; A47; A47L; A47L7/00; A47L7/04; A47L9/00; A47L9/10; A47L9/102; A47L9/14; A47L9/1427
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1128510A
Cited
US1294875A
Cited
US1104976A
Cited
US1233408A
Cited
US1216787A
Cited
US1847352A
Cited
GB387245A
Cited
US2184732A
Cited
US2226630A
Cited
US2225389A
Cited
US2242277A
Cited
US2418339A
Cited
US2335056A
Cited
US2400558A
Cited
US2419681A
Cited
US2564845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |