Patent US2918186A successfully refreshed from Google Patents.
Patent US3075158A successfully refreshed from Google Patents.
US3075158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave coupler
Assignee: NEC Corp
•
Filing: 1959-09-28
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Granted: 1963-01-22
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Expires: 1979-09-28
Abstract
No abstract record available.
Inventors
- 👤 Kuroda Takaji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:27
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A MICROWAVE VARIABLE INTENSITY COUPLER COMPRISING TWO CONTIGUOUS WAVEGUIDE SECTIONS HAVING THEIR MAJOR AXES DISPOSED IN SEPARATE PLANES AND HAVING A COMMON APERTURE THEREBETWEEN, A DIELECTRIC BODY MOVEABLY MOUNTED IN AT LEAST ONE OF SAID WAVEGUIDE SECTIONS, AND MEANS FOR MOVING SAID BODY IN A DIRECTION PARALLEL TO THE PLANE OF THE SURFACE CONTAINING THE APERTURE AND TRANSVERSE THE LONGITUDINAL AXIS OF SAID ONE WAVEGUIDE SECTION.
Claim 2
Dependent Claim
66 words
A MICROWAVE VARIABLE INTENSITY COUPLER COMPRISING TWO CONTIGUOUS WAVEGUIDE SECTIONS HAVING THEIR MAJOR AXES DISPOSED IN SEPARATE PLANES AND HAVING A COMMON APERTURE THEREBETWEEN, A DIELECTRIC BODY MOVEABLY MOUNTED IN AT LEAST ONE OF SAID WAVEGUIDE SECTIONS, AND MEANS FOR MOVING SAID BODY IN A DIRECTION PARALLEL TO THE PLANE OF THE SURFACE CONTAINING THE APERTURE AND TRANSVERSE THE LONGITUDINAL AXIS OF SAID ONE WAVEGUIDE SECTION.
References Cited (Backward Citations)
US2427106A
Cited
US2579327A
Cited
US2630492A
Cited
US2812500A
Cited
US2849683A
Cited
US2948863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |