Patent US2520895A successfully refreshed from Google Patents.
US2520895A
Expired / Lapsed
US
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Sheet material spreading machine
Assignee: Cutting Room Appliances Corp
•
Filing: 1940-12-19
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Granted: 1950-08-29
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Expires: 1960-12-19
Abstract
No abstract record available.
Inventors
- 👤 Gilbert Herman Walter
- 👤 Frank H Dexter
- 👤 Deichmann Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:01
CPC Classifications
A; A41; A41H; A41H43/00; A41H43/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2157270A
Cited
US819548A
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US1061914A
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US1102555A
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US1257421A
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US1338570A
Cited
US1793180A
Cited
US1803180A
Cited
US1866088A
Cited
US2046639A
Cited
US2203970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-28 | 1954-02-27 | 1954-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-28 | 1958-02-27 | 1958-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-28 | 1962-02-27 | 1962-08-29 | $7700.00 | Window Closed / Lapsed |