Patent US2127206A successfully refreshed from Google Patents.
US3460221A
Expired / Lapsed
US
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Elastic calender roller with cover of synthetic material
Assignee: Joh Kleinewefers Soehne KG
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Filing: 1966-09-26
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Granted: 1969-08-12
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Expires: 1986-09-26
Abstract
No abstract record available.
Inventors
- 👤 Alfred Korsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:33
CPC Classifications
D; D06; D06C; D06C15/00; D06C15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB401800A
Cited
GB480699A
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US3096949A
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GB968938A
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US3253323A
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US3222209A
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US3336648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |