US2641876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision grinding machine
Assignee: Milacron Inc
•
Filing: 1951-03-31
•
Granted: 1953-06-16
•
Expires: 1971-03-31
Abstract
No abstract record available.
Inventors
- 👤 Decker Jacob
- 👤 Bernard A Kearns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:10
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/02; B24B47/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1911553A
Cited
US2092876A
Cited
US2280692A
Cited
US2241634A
Cited
US2429830A
Cited
US2376237A
Cited
US2584499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |