US2615948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupler for wave transmission lines
Assignee: COMMERCIAL RADIO SOUND CORP
•
Filing: 1949-11-03
•
Granted: 1952-10-28
•
Expires: 1969-11-03
Abstract
No abstract record available.
Inventors
- 👤 Kamen Ira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:40
CPC Classifications
H; H01; H01R; H01R9/00; H01R9/03; H01R9/05; H01R9/0509
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR363772A
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US1657249A
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US1924115A
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US1935313A
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US1997804A
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US2204175A
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US2353882A
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US2451868A
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US2391880A
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US2396119A
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US2511524A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |