US2583949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch construction for suction cleaner appliances
Assignee: Individual
•
Filing: 1946-02-08
•
Granted: 1952-01-29
•
Expires: 1966-02-08
Abstract
No abstract record available.
Inventors
- 👤 Karl A Kendrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:57
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/28; A47L9/2857; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/365; A47L9/2836; A47L9/2842
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |