Patent US2989263A successfully refreshed from Google Patents.
US2989263A
Expired / Lapsed
US
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Drum for the winding on and winding off of cold rolled bands
Assignee: Schloemann AG
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Filing: 1957-09-25
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Granted: 1961-06-20
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Expires: 1977-09-25
Abstract
No abstract record available.
Inventors
- 👤 Smeets Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:21
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/28; B21C47/30; B21C47/32; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US596326A
Cited
US1907896A
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US1956906A
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US2329044A
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US2394503A
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US2755031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |