US2639564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillating sander
Assignee: CLARKE SANDING MACHINE Co
•
Filing: 1950-09-09
•
Granted: 1953-05-26
•
Expires: 1970-09-09
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Atkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:04
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1177824A
Cited
US2100020A
Cited
US2143970A
Cited
US2284671A
Cited
US2270309A
Cited
US2292567A
Cited
US2367668A
Cited
US2415993A
Cited
US2545942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |