US2963680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical reactance devices
Assignee: Raytheon Co
•
Filing: 1956-03-19
•
Granted: 1960-12-06
•
Expires: 1976-03-19
Abstract
No abstract record available.
Inventors
- 👤 John N Beebe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:36
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/0207; B06B1/0215; Y; Y10; Y10S; Y10S367/00; Y10S367/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1450246A
Cited
US2410065A
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US2416337A
Cited
US2491020A
Cited
US2561851A
Cited
US2738487A
Cited
FR1087922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |