US2825924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined cord reel and switch
Assignee: Hoover Co
•
Filing: 1954-01-18
•
Granted: 1958-03-11
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Expires: 1974-01-18
Abstract
No abstract record available.
Inventors
- 👤 Warren A Humphrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:57
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/34; B65H75/38; B65H75/44; B65H75/4418; B65H75/4428; B65H75/4434; A; A47; A47L; A47L9/00; A47L9/26; A47L9/28; A47L9/2836; A47L9/2842; A47L9/2857; A47L9/2868; A47L9/2889
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1363417A
Cited
FR569088A
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US1599124A
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US2173777A
Cited
US2323275A
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US2292250A
Cited
US2503568A
Cited
US2438082A
Cited
US2594456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |