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Patent US2842793A successfully refreshed from Google Patents.
US2842793A
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Suction cleaning tool with floating and pressure nozzle
Assignee: Hoover Co
•
Filing: 1955-05-03
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Granted: 1958-07-15
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Expires: 1975-05-03
Abstract
No abstract record available.
Inventors
- 👤 Claud C Hurd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:29
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A47L9/06; A47L9/0633; A47L9/064; A47L9/0653
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1286115A
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US1462218A
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US2585186A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |