US2656009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction cleaner
Assignee: Individual
•
Filing: 1951-01-29
•
Granted: 1953-10-20
•
Expires: 1971-01-29
Abstract
No abstract record available.
Inventors
- 👤 Moss A Kent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:36
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1198968A
Cited
GB256407A
Cited
GB379506A
Cited
US2044827A
Cited
US2047594A
Cited
FR908627A
Cited
US2380382A
Cited
US2441365A
Cited
US2500832A
Cited
US2507672A
Cited
US2516707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |