Patent US7167910B2 successfully refreshed from Google Patents.
US2489801A
Expired / Lapsed
US
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Sanding apparatus
Assignee: Individual
•
Filing: 1947-05-10
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Granted: 1949-11-29
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Expires: 1967-05-10
Abstract
No abstract record available.
Inventors
- 👤 Erme B Myott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:46
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/2035; E01C2019/2055; E01C2019/207; E01C2019/208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US242979A
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US652914A
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US817727A
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US1095383A
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US1919619A
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US2003628A
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US2152259A
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US2296909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-28 | 1953-05-30 | 1953-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-28 | 1957-05-30 | 1957-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-28 | 1961-05-30 | 1961-11-29 | $7700.00 | Window Closed / Lapsed |