US2901759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible mop support
Assignee: DUST TEX CORP
•
Filing: 1957-08-14
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Granted: 1959-09-01
•
Expires: 1977-08-14
Abstract
No abstract record available.
Inventors
- 👤 William W Smith
- 👤 Irving A Yamen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:30
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24; A47L13/25; A47L13/253; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32041; Y10T403/32049
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) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |