US2796586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impedance matched coupling device
Assignee: Raytheon Co
•
Filing: 1953-06-04
•
Granted: 1957-06-18
•
Expires: 1973-06-04
Abstract
No abstract record available.
Inventors
- 👤 Goldstein Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:53
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2436828A
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US2443921A
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US2527979A
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US2647953A
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US2642472A
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US2639325A
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US2710346A
Cited
US2634331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |