Patent US2862220A successfully refreshed from Google Patents.
US2862220A
Expired / Lapsed
US
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Dolly for vacuum cleaner and the like
Assignee: General Electric Co
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Filing: 1955-03-28
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Granted: 1958-12-02
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Expires: 1975-03-28
Abstract
No abstract record available.
Inventors
- 👤 Robert A Orr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:26
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/009; A47L5/00; A47L5/12; A47L5/22; F; F04; F04D; F04D27/00; F04D27/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1339109A
Cited
US2232548A
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US2291984A
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CH233162A
Cited
US2535457A
Cited
US2611149A
Cited
US2573085A
Cited
US2539195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |