US3137828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave guide filter having resonant cavities made of joined parts
Assignee: SCOPE ACQUISITION CORP A DE CORP
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Filing: 1961-08-01
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Granted: 1964-06-16
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Expires: 1981-08-01
Abstract
No abstract record available.
Inventors
- 👤 John S Gerig
- 👤 Raymond F Irby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:38
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/20; H01P1/207; H01P1/208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A WAVEGUIDE FILTER ASSEMBLY COMPRISING A PLURALITY OF DISCRETE FILTER SECTIONS, EACH OF SAID DISCRETE FILTER SECTIONS BEING OF UNITARY CONSTRUCTION AND BEING IN THE FORM OF A TUBE HAVING AN APERTURED CENTRAL TRANSVERSE INTEGRAL MEMBER, AND COUPLING MEANS FOR JOINING SAID FILTER SECTIONS END TO END FOR ELECTRICAL CONTACT THEREBETWEEN, SAID COUPLING MEANS INCLUDING AT LEAST ONE TUNING MEANS MOUNTED ON SAID CONNECTING MEANS.
Claim 2
Dependent Claim
65 words
A WAVEGUIDE FILTER ASSEMBLY COMPRISING A PLURALITY OF DISCRETE FILTER SECTIONS, EACH OF SAID DISCRETE FILTER SECTIONS BEING OF UNITARY CONSTRUCTION AND BEING IN THE FORM OF A TUBE HAVING AN APERTURED CENTRAL TRANSVERSE INTEGRAL MEMBER, AND COUPLING MEANS FOR JOINING SAID FILTER SECTIONS END TO END FOR ELECTRICAL CONTACT THEREBETWEEN, SAID COUPLING MEANS INCLUDING AT LEAST ONE TUNING MEANS MOUNTED ON SAID CONNECTING MEANS.
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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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |