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Patent US2749852A successfully refreshed from Google Patents.
US2749852A
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Roll chocking device
Assignee: Albemarle Paper Manufacturing Co
•
Filing: 1953-05-01
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Granted: 1956-06-12
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Expires: 1973-05-01
Abstract
No abstract record available.
Inventors
- 👤 Julian E Bulluck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:25
CPC Classifications
B; B61; B61D; B61D45/00; B61D45/001; B61D45/003; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2527
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US285748A
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US1228983A
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US1350699A
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US1416191A
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US1766289A
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US1805881A
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US2016430A
Cited
US2580248A
Cited
US2627821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |