US2489153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cutting book match
Assignee: —
•
Filing: —
•
Granted: 1949-11-22
•
Expires: 1966-11-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:54
CPC Classifications
C; C06; C06F; C06F1/00; C06F1/20; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2183; Y10T83/2187; Y10T83/219; Y10T83/647; Y10T83/6472; Y10T83/6571; Y10T83/6656; Y10T83/6657; Y10T83/6664; Y10T83/869; Y10T83/8737
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1994997A
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US344292A
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US1553900A
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US1649642A
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US944519A
Cited
US1049019A
Cited
US1029218A
Cited
US1075907A
Cited
US1350879A
Cited
US1369391A
Cited
US1750391A
Cited
US1918534A
Cited
US2183479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |