US3011290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for feeding elongated work-pieces to and/or from a centreless grinding machine
Assignee: CLIFFORD MACHINE TOOLS Ltd
•
Filing: 1959-09-04
•
Granted: 1961-12-05
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Expires: 1979-09-04
Abstract
No abstract record available.
Inventors
- 👤 Summers Harold Wilfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:13
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/36; B24B5/38; B23; B23Q; B23Q7/00; B23Q7/05; B23Q7/055
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1082451A
Cited
US1822337A
Cited
US1814367A
Cited
US2165097A
Cited
US2284257A
Cited
US2731774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |