Patent US2504643A successfully refreshed from Google Patents.
US2504643A
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US
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Butcher block scraper and cleaner
Assignee: Individual
•
Filing: 1947-11-28
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Granted: 1950-04-18
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Expires: 1967-11-28
Abstract
No abstract record available.
Inventors
- 👤 Henry E Burgoon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:50
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/02; A47L13/08; B; B27; B27G; B27G17/00; B27G17/04; Y; Y10; Y10T; Y10T407/00; Y10T407/13; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/191
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US895952A
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US1461615A
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US1055013A
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US1391882A
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US1461620A
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US1392543A
Cited
US1561998A
Cited
US1641103A
Cited
US1643882A
Cited
US2178169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |