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US2744751A
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US
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Partition strip feeding mechanism for a partition assembling machine
Assignee: National Container Corp
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Filing: 1952-08-09
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Granted: 1956-05-08
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Expires: 1972-08-09
Abstract
No abstract record available.
Inventors
- 👤 Janz Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:35
CPC Classifications
B; B31; B31D; B31D5/00; B31D5/0004; B31D5/0013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US880845A
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US1121271A
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US1544940A
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US1860144A
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US2005124A
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US1887977A
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US2221865A
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US2598323A
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US2636423A
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US2636730A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |