US2603750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical circuit arrangement for the generation of oscillations
Assignee: EMI Ltd
•
Filing: 1948-02-14
•
Granted: 1952-07-15
•
Expires: 1968-02-14
Abstract
No abstract record available.
Inventors
- 👤 Newman Edward Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:29
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/26; H03K4/39; H03K4/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2241762A
Cited
US2265290A
Cited
US2251851A
Cited
US2296727A
Cited
US2309672A
Cited
US2284378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |