Patent US2740474A successfully refreshed from Google Patents.
US2740474A
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Method and mechanism for roll handling
Assignee: American Manufacturing Co Inc
•
Filing: 1953-01-12
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Granted: 1956-04-03
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Expires: 1973-01-12
Abstract
No abstract record available.
Inventors
- 👤 Edwin T Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:07
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/30; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/4171; B65H2301/4172; B65H2301/4173; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/30; Y10T83/00; Y10T83/04; Y10T83/0448; Y10T83/202; Y10T83/2092; Y10T83/2198; Y10T83/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2022799A
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US2101738A
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US2180837A
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US2146893A
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US2189716A
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US2311995A
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US2444463A
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US2528779A
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US2537464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |