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US2904725A
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US
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Equipment for telecommunications by means of hertzian beams
Assignee: Societe Anonyme de Telecommunications SAT
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Filing: 1955-03-29
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Granted: 1959-09-15
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Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Lebedinsky Myron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:06
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1951457A
Cited
US2077160A
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US2287243A
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US2424345A
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US2512908A
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US2809025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |