Patent US2881465A successfully refreshed from Google Patents.
US2881465A
Expired / Lapsed
US
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Suction cleaner nozzle support
Assignee: Hoover Co
•
Filing: 1954-12-02
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Granted: 1959-04-14
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Expires: 1974-12-02
Abstract
No abstract record available.
Inventors
- 👤 Jack E Duff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:44
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/34; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32541
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1286115A
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US1642518A
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US1856133A
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US1937765A
Cited
US1995084A
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US2361909A
Cited
GB613009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |