Patent US2492849A successfully refreshed from Google Patents.
US2492849A
Expired / Lapsed
US
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Sander drum and floor sanding abrasive sheet
Assignee: Individual
•
Filing: 1947-04-25
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Granted: 1949-12-27
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Expires: 1967-04-25
Abstract
No abstract record available.
Inventors
- 👤 Degen Nicklous
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:11
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/10; B24B7/18; B24B7/188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US414115A
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US714244A
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US801003A
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US906035A
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US1469307A
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US1789298A
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US1904893A
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US2075672A
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US2278564A
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US2399923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |