Patent US2045496A successfully refreshed from Google Patents.
US2045496A
Expired / Lapsed
US
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Vacuum cleaner
Assignee: General Electric Co
•
Filing: 1934-09-27
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Granted: 1936-06-23
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Expires: 1954-09-27
Abstract
No abstract record available.
Inventors
- 👤 Charles K Skinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:26
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/19; Y; Y10; Y10S; Y10S55/00; Y10S55/34
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) | 1939-06-23 | 1939-12-23 | 1940-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-23 | 1943-12-23 | 1944-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-23 | 1947-12-23 | 1948-06-23 | $7700.00 | Window Closed / Lapsed |