US2728268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concavity generating milling machine
Assignee: Milacron Inc
•
Filing: 1951-07-21
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Granted: 1955-12-27
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Expires: 1971-07-21
Abstract
No abstract record available.
Inventors
- 👤 Richard N Clifton
- 👤 Milton V Waters
- 👤 Peter F Ochotschinsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:24
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/121; B23C; B23C3/00; B23C3/16; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5196; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/306776; Y10T409/306832; Y10T409/307448; Y10T409/30756; Y10T409/307784
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US753911A
Cited
US1634322A
Cited
US2142029A
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US2340210A
Cited
US2434751A
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US2458597A
Cited
US2499210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |