US2595752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner support
Assignee: Individual
•
Filing: 1948-03-12
•
Granted: 1952-05-06
•
Expires: 1968-03-12
Abstract
No abstract record available.
Inventors
- 👤 Batts Charles Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:08
CPC Classifications
A; A47; A47L; A47L9/00; Y; Y10; Y10S; Y10S55/00; Y10S55/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US602195A
Cited
US1416201A
Cited
US1884865A
Cited
US1884866A
Cited
US1884868A
Cited
CH185124A
Cited
GB466473A
Cited
US2319638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |