US2961589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical position-follower systems
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1955-07-27
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Granted: 1960-11-22
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Expires: 1975-07-27
Abstract
No abstract record available.
Inventors
- 👤 Ghalib Selchouk Ahmed
- 👤 Kelsall Richard Hope
- 👤 Tucker Henry Valon
- 👤 Bowen John Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:25
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/12; G05; G05D; G05D3/00; G05D3/12; G05D3/14; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2394480A
Cited
US2436200A
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 |