US3065352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beam communication system
Assignee: Individual
•
Filing: 1959-07-20
•
Granted: 1962-11-20
•
Expires: 1979-07-20
Abstract
No abstract record available.
Inventors
- 👤 Richard B Mcfarlane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:23
CPC Classifications
H; H04; H04B; H04B10/00; H04B10/11; H04B10/112; H04B10/1121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US235199A
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US241909A
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US1384014A
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US1642001A
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US1941493A
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US2027595A
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US2173994A
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US2921203A
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US2849623A
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US2835744A
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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) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |