US2755883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction cleaners
Assignee: Hoover Co
•
Filing: 1954-01-07
•
Granted: 1956-07-24
•
Expires: 1974-01-07
Abstract
No abstract record available.
Inventors
- 👤 George A Brace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:06
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/362; A47L9/1427
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1832846A
Cited
US2153580A
Cited
US2388280A
Cited
US2580645A
Cited
US2571125A
Cited
US2621757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |