Patent US5225404A successfully refreshed from Google Patents.
Patent US3470948A successfully refreshed from Google Patents.
US3470948A
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US
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Bend-free roller for calenders,rolling mills,and the like
Assignee: Maschinenfabrik Joh Kleinewefers Sohne GmbH
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Filing: 1967-05-08
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Granted: 1969-10-07
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Expires: 1987-05-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred Korsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:13
CPC Classifications
F; F16; F16C; F16C13/00; F16C13/02; F16C13/022; F16C13/024; F16C13/026; F16C13/028; D; D06; D06C; D06C15/00; D06C15/08; D21; D21G; D21G1/00; D21G1/02; D21G1/0206; D21G1/0213; D21G1/022; F16C2340/00; Y; Y10; Y10S; Y10S165/00; Y10S165/135; Y10S165/139
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2197575A
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US2414355A
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US2617362A
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US2915292A
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US2898864A
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US2882830A
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US3397739A
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US3358609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |