US2513587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner brush drive
Assignee: Motors Liquidation Co
•
Filing: 1944-11-20
•
Granted: 1950-07-04
•
Expires: 1964-11-20
Abstract
No abstract record available.
Inventors
- 👤 Donald H Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:31
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1059136A
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US1244878A
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US1385840A
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US1256709A
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US1840866A
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US1779757A
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US1925354A
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US1982345A
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US2349130A
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US2292435A
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US2317843A
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GB564459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |