US2762140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universally adjustable scraper implement
Assignee: Ferguson Harry Inc
•
Filing: 1951-08-23
•
Granted: 1956-09-11
•
Expires: 1971-08-23
Abstract
No abstract record available.
Inventors
- 👤 Lee E Elfes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:53
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7622; E02F3/7627; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20648
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US632906A
Cited
US1282025A
Cited
US1484622A
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US2141805A
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US2440550A
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US2351830A
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US2395893A
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US2510445A
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US2493565A
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US2417595A
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US2476195A
Cited
US2496760A
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US2456693A
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US2663239A
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US2560711A
Cited
US2468380A
Cited
US2564355A
Cited
US2589554A
Cited
US2624132A
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US2526186A
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US2562486A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |