US2974935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ejector for disconnecting tool shafts from motor driven power unit
Assignee: Scovill Inc
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Filing: 1959-03-20
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Granted: 1961-03-14
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Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 Charles L Smader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:22
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/044; A47J2043/04409; A47J2043/04418
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) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |