US3497933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indexable cutter insert and milling cutter head therefor
Assignee: Sumitomo Electric Industries Ltd
•
Filing: 1967-04-19
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Granted: 1970-03-03
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Expires: 1987-04-19
Abstract
No abstract record available.
Inventors
- 👤 Minoru Okada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:31
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/202; B23C5/22; B23C5/2265; B23C5/2278; B23C2200/00; B23C2200/12; B23C2200/125; B23C2200/20; B23C2200/205; B23C2210/00; B23C2210/16; B23C2210/166; B23C2210/168; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1934; Y10T407/23; Y10T407/235; Y10T408/00; Y10T408/89
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) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |