US3184674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin-film circuit arrangement
Assignee: International Business Machines Corp
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Filing: 1961-08-21
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Granted: 1965-05-18
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Richard L Garwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:21
CPC Classifications
H; H01; H01F; H01F5/00; H01F5/02; G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S336/00; Y10S336/01; Y10S505/00; Y10S505/825; Y10S505/831; Y10S505/833; Y10S505/866
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A MICROMINIATURE THIN-FILM MICROSTRIP TRANSMISSION LINE CIRCUIT COMPRISING; AT LEAST FIRST AND SECOND CIRCUIT PORTIONS; A SEGMENT OF THE STRIP CONDUCTOR OF THE TRANSMISSION LINE OF SAID FIRST PORTION EXTENDING IN PARALLEL RELATIONSHIP WITH A SEGMENT OF THE STRIP CONDUCTOR OF THE TRANSMISSION LINE OF SAID SECOND PORTION; GROUND PLANES ASSOCIATED WITH EACH OF SAID TRANSMISSION LINES AND AREAS OF SAID GROUND PLANES BEING REMOVED ADJACENT THE PARALLEL SEGMENTS OF SAID TRANSMISSION LINES.
Claim 2
Dependent Claim
73 words
A MICROMINIATURE THIN-FILM MICROSTRIP TRANSMISSION LINE CIRCUIT COMPRISING; AT LEAST FIRST AND SECOND CIRCUIT PORTIONS; A SEGMENT OF THE STRIP CONDUCTOR OF THE TRANSMISSION LINE OF SAID FIRST PORTION EXTENDING IN PARALLEL RELATIONSHIP WITH A SEGMENT OF THE STRIP CONDUCTOR OF THE TRANSMISSION LINE OF SAID SECOND PORTION; GROUND PLANES ASSOCIATED WITH EACH OF SAID TRANSMISSION LINES AND AREAS OF SAID GROUND PLANES BEING REMOVED ADJACENT THE PARALLEL SEGMENTS OF SAID TRANSMISSION LINES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |