Patent US2807294A successfully refreshed from Google Patents.
US2807294A
Expired / Lapsed
US
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Band saw blade scraper
Assignee: Toledo Scale Corp
•
Filing: 1955-10-10
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Granted: 1957-09-24
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Expires: 1975-10-10
Abstract
No abstract record available.
Inventors
- 👤 James D Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:22
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/02; Y; Y10; Y10T; Y10T83/00; Y10T83/242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US659088A
Cited
US1494774A
Cited
US1870774A
Cited
US1908727A
Cited
US2572938A
Cited
US2741281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |