Patent US2914790A successfully refreshed from Google Patents.
US2914790A
Expired / Lapsed
US
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Suction cleaner and flexible and extensible hose therefor
Assignee: Hoover Co
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Filing: 1954-12-17
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Granted: 1959-12-01
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Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Warburton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:09
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/24; B; B29; B29D; B29D23/00; B29D23/18; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1559804A
Cited
US2430081A
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US2550576A
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US2463293A
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US2560369A
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US2630157A
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US2602278A
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US2539195A
Cited
US2641302A
Cited
US2739616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |