US2499330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner
Assignee: Motors Liquidation Co
•
Filing: 1944-08-12
•
Granted: 1950-02-28
•
Expires: 1964-08-12
Abstract
No abstract record available.
Inventors
- 👤 Donald H Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:50
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/32; A47L9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1539843A
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CH113886A
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US1652026A
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US2024367A
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US1880915A
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US2140143A
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US2070689A
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US2237830A
Cited
US2148656A
Cited
GB518091A
Cited
US2223592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |