Patent US3412636A successfully refreshed from Google Patents.
US3412636A
Expired / Lapsed
US
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Apparatus for cutting and handling very thin foils
Assignee: Hydrawerk AG
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Filing: 1966-06-13
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Granted: 1968-11-26
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Expires: 1986-06-13
Abstract
No abstract record available.
Inventors
- 👤 Seiff Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:24
CPC Classifications
B; B23; B23D; B23D31/00; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/952; Y10T; Y10T83/00; Y10T83/202; Y10T83/2074; Y10T83/2087; Y10T83/283; Y10T83/647; Y10T83/6584; Y10T83/6606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE511770C
Cited
US2705049A
Cited
US2748863A
Cited
US2970535A
Cited
US2984427A
Cited
US3251252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |