US2484209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulsed oscillator
Assignee: Westinghouse Electric Corp
•
Filing: 1945-07-10
•
Granted: 1949-10-11
•
Expires: 1965-07-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Philip A Duffy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:16
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2037799A
Cited
US2181568A
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US2401424A
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US2276994A
Cited
US2295585A
Cited
US2405552A
Cited
US2284444A
Cited
US2390489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |