US3242445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supporting device for mechanical filter
Assignee: Toko Radio Coil Kenkyusho KK
•
Filing: 1964-03-31
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Granted: 1966-03-22
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Expires: 1984-03-31
Abstract
No abstract record available.
Inventors
- 👤 Kameya Kazuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:34
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/05; H03H9/0504
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A SUPPORTING DEVICE FOR A MECHANICAL FILTER IN THE FORM OF A FLAT PLATE AND INCLUDING A PLURALITY OF RESONANT ELEMENTS AND COUPLING ELEMENTS INTERCONNECTING SAID RESONANT ELEMENTS, SAID COUPLING AND RESONANT ELEMENTS BEING FORMED OF A SINGLE PLATE, SAID SUPPORTING DEVICE BEING PROVIDED WITH A SLOT ADAPTED TO ACCOMMODATE SAID COUPLING ELEMENT TOGETHER WITH SHARP EDGES AT THE OPPOSITE SIDE THEREOF ADAPTED TO CONTACT SAID RESONANCE ELEMENTS IN AREAS AS SMALL AS POSSIBLE; SAID DEVICE ALSO BEING PROVIDED WITH MEANS TO CLAMP SAID COUPLING ELEMENT FROM THE OPPOSITE SIDE THEREOF.
Claim 2
Dependent Claim
91 words
A SUPPORTING DEVICE FOR A MECHANICAL FILTER IN THE FORM OF A FLAT PLATE AND INCLUDING A PLURALITY OF RESONANT ELEMENTS AND COUPLING ELEMENTS INTERCONNECTING SAID RESONANT ELEMENTS, SAID COUPLING AND RESONANT ELEMENTS BEING FORMED OF A SINGLE PLATE, SAID SUPPORTING DEVICE BEING PROVIDED WITH A SLOT ADAPTED TO ACCOMMODATE SAID COUPLING ELEMENT TOGETHER WITH SHARP EDGES AT THE OPPOSITE SIDE THEREOF ADAPTED TO CONTACT SAID RESONANCE ELEMENTS IN AREAS AS SMALL AS POSSIBLE; SAID DEVICE ALSO BEING PROVIDED WITH MEANS TO CLAMP SAID COUPLING ELEMENT FROM THE OPPOSITE SIDE THEREOF.
References Cited (Backward Citations)
US3189852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |