Patent US2549718A successfully refreshed from Google Patents.
US2549718A
Expired / Lapsed
US
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Scraper unit for endless moving surfaces
Assignee: CUBE STEAK MACHINE Co
•
Filing: 1948-07-17
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Granted: 1951-04-17
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Expires: 1968-07-17
Abstract
No abstract record available.
Inventors
- 👤 William F Spang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:07
CPC Classifications
B; B27; B27B; B27B13/00; B27B13/16; Y; Y10; Y10S; Y10S29/00; Y10S29/097
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US121373A
Cited
US417425A
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GB156072A
Cited
US1773476A
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US1898964A
Cited
US2081033A
Cited
US2209257A
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US2423363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |