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US3069629A
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Carrier-logic circuits employing microwave transmission lines with selective impedance switching on main lines or on stubs
Assignee: International Business Machines Corp
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Filing: 1959-05-29
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Granted: 1962-12-18
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Expires: 1979-05-29
Abstract
No abstract record available.
Inventors
- 👤 Hermann P Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:38
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/388; H; H01; H01P; H01P1/00; H01P1/10; H01P1/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2580389A
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US2531447A
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US2644926A
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US2917711A
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US2938178A
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US2914249A
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US2914671A
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US2977484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |