US3514828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
End-milling cutters
Assignee: Marwin Cutting Tools Ltd
•
Filing: 1968-04-08
•
Granted: 1970-06-02
•
Expires: 1988-04-08
Abstract
No abstract record available.
Inventors
- 👤 Dennis H Wale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:29
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/18; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1946; Y10T407/1948; Y10T407/26; Y10T408/00; Y10T408/78
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) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |