Patent US2772838A successfully refreshed from Google Patents.
US2772838A
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US
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Mechanism for extracting the rewind shaft from a core of a rewound roll and inserting this shaft into the core of a roll to be rewound
Assignee: Jagenberg Werke AG
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Filing: 1953-11-03
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Granted: 1956-12-04
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Expires: 1973-11-03
Abstract
No abstract record available.
Inventors
- 👤 Lenz Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:25
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/30; B65H19/305; B65H19/2292; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/418; B65H2301/4182; B65H2301/41826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1819406A
Cited
US1979310A
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US2599942A
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US2620141A
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US2521991A
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US2535815A
Cited
US2613043A
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US2646230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |