Patent US3299301A successfully refreshed from Google Patents.
US3299301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric ceramic filter
Assignee: Arris Technology Inc
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Filing: 1964-08-12
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Granted: 1967-01-17
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Expires: 1984-08-12
Abstract
No abstract record available.
Inventors
- 👤 Philip E Heilmann
- 👤 Chesney John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:45
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/05; H03H9/10; H03H9/1007; H03H9/1014; H03H9/1028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A PIEZOELECTRIC FILTER COMPRISING A MOLDED INSULATION BASE, SAID BASE HAVING A RECESS, AND SHORT STIFF WIRE INSERTS ACTING AS CORNER POSTS, A BOTTOM CONTACT IN SAID RECESS AND HAVING A TAIL SOLDERED TO ONE OF SAID POSTS, A PIEZOELECTRIC DISC IN SAID RECESS AND RESTING ON SAID BOTTOM CONTACT, A COMMON CONTACT IN SAID RECESS OVER SAID DISC, SAID COMMON CONTACT HAVING A TAIL WHICH IS SOLDERED TO A POST LOCATED OPPOSITE THE AFORESAID TAIL AND POST, A SECOND POEZOELECTRIC DISC RECEIVED IN SAID RECESS AND RESTING ON SAID COMMON CONTACT, A RESILIENT MEANS ACTING AS A TOP CONTACT AND SPRING, SAID MEANS BEING RECIVED OVER THE REMAINING TWO POSTS, SAID POSTS HOLDING SAID SPRING AT PROPER HEIGHT TO PROVIDE A DESIRED PRESSURE AND CONSEQUENT FILTER BAND WIDTH.
Claim 2
Dependent Claim
129 words
A PIEZOELECTRIC FILTER COMPRISING A MOLDED INSULATION BASE, SAID BASE HAVING A RECESS, AND SHORT STIFF WIRE INSERTS ACTING AS CORNER POSTS, A BOTTOM CONTACT IN SAID RECESS AND HAVING A TAIL SOLDERED TO ONE OF SAID POSTS, A PIEZOELECTRIC DISC IN SAID RECESS AND RESTING ON SAID BOTTOM CONTACT, A COMMON CONTACT IN SAID RECESS OVER SAID DISC, SAID COMMON CONTACT HAVING A TAIL WHICH IS SOLDERED TO A POST LOCATED OPPOSITE THE AFORESAID TAIL AND POST, A SECOND POEZOELECTRIC DISC RECEIVED IN SAID RECESS AND RESTING ON SAID COMMON CONTACT, A RESILIENT MEANS ACTING AS A TOP CONTACT AND SPRING, SAID MEANS BEING RECIVED OVER THE REMAINING TWO POSTS, SAID POSTS HOLDING SAID SPRING AT PROPER HEIGHT TO PROVIDE A DESIRED PRESSURE AND CONSEQUENT FILTER BAND WIDTH.
References Cited (Backward Citations)
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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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |