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US1282548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric vacuum-cleaner.
Assignee: General Electric Co
•
Filing: 1918-01-31
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Granted: 1918-10-22
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Expires: 1938-01-31
Abstract
No abstract record available.
Inventors
- 👤 Frank C De Reamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:52
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1921-10-21 | 1922-04-22 | 1922-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-10-21 | 1926-04-22 | 1926-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-10-21 | 1930-04-22 | 1930-10-22 | $7700.00 | Window Closed / Lapsed |