Patent US5523A successfully refreshed from Google Patents.
US5523A
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US
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Improvement in machinery for trimming books
Assignee: —
•
Filing: —
•
Granted: 1848-04-18
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Expires: 1865-04-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:06
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/38; B21D53/42; B26; B26D; B26D1/00; B26D1/01; B26D1/04; B26D1/06; B26D1/065; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/305544; Y10T83/00; Y10T83/647; Y10T83/654; Y10T83/6563; Y10T83/6566; Y10T83/748; Y10T83/7487; Y10T83/869; Y10T83/8821; Y10T83/8822
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1851-04-18 | 1851-10-18 | 1852-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1855-04-18 | 1855-10-18 | 1856-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1859-04-18 | 1859-10-18 | 1860-04-18 | $7700.00 | Window Closed / Lapsed |