US2594104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear sweep circuits
Assignee: United States Department of the Navy
•
Filing: 1943-12-16
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Granted: 1952-04-22
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Expires: 1963-12-16
Abstract
No abstract record available.
Inventors
- 👤 Clayton A Washburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:09
CPC Classifications
B; B22; B22F; B22F9/00; C; C22; C22C; C22C1/00; C22C1/11; C22C26/00; C22C29/00; H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/12; H03K4/20
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) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |