US2490419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable handle for sanding pads
Assignee: STERLING TOOL PRODUCTS Co
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Filing: 1946-10-25
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Granted: 1949-12-06
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Expires: 1966-10-25
Abstract
No abstract record available.
Inventors
- 👤 Stephen A Crosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:51
CPC Classifications
B; B24; B24D; B24D15/00; B24D15/02; A; A47; A47L; A47L13/00; A47L13/10; A47L13/28; A47L13/286
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) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |