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Patent US2961623A successfully refreshed from Google Patents.
US2961623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movable support means for center
Assignee: —
•
Filing: —
•
Granted: 1960-11-22
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Expires: 1977-11-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:53
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/08; H01P3/00; H01P3/02; H01P3/08; H01P3/081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2623122A
Cited
US2710946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |