Patent US2769996A successfully refreshed from Google Patents.
US2769996A
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US
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Mobile vacuum cleaner having a hose adapted to be used as a pushing or pulling means therefor
Assignee: General Electric Co
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Filing: 1953-12-21
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Granted: 1956-11-13
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Expires: 1973-12-21
Abstract
No abstract record available.
Inventors
- 👤 John C Shalvoy
- 👤 Jr Paul O Rawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:06
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/367; A47L9/00; A47L9/0009; A47L9/0018; A47L9/0045; A47L9/32; A47L9/327
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |