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Patent US3402640A successfully refreshed from Google Patents.
US3402640A
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US
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Milling tool
Assignee: Eugen Lutz KG
•
Filing: 1966-01-24
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Granted: 1968-09-24
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Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 Eisenbach Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:52
CPC Classifications
B; B27; B27F; B27F5/00; B27F5/02; B27F5/12; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; B23Q9/00; B23Q9/0014; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/564; Y10T409/00; Y10T409/30; Y10T409/306216; Y10T409/306384; Y10T409/306552; Y10T409/306608
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |