Patent JPS62174261A successfully refreshed from Google Patents.
US2523697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for holding abrasive media
Assignee: Individual
•
Filing: 1949-01-21
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Granted: 1950-09-26
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Expires: 1969-01-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert C Harrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:07
CPC Classifications
B; B24; B24D; B24D15/00; B24D15/02; B24D15/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320299A
Cited
DE456289C
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US2102745A
Cited
US2197224A
Cited
US2252190A
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US2435335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |