US2576704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for engaging and driving rotated workpieces
Assignee: Seneca Falls Machine Co
•
Filing: 1949-03-19
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Granted: 1951-11-27
•
Expires: 1969-03-19
Abstract
No abstract record available.
Inventors
- 👤 Edwin R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:33
CPC Classifications
B; B23; B23B; B23B33/00; B23B33/005; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2568
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US913677A
Cited
US1054042A
Cited
US1592610A
Cited
US1704852A
Cited
US2049191A
Cited
US2455270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |