US3340410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric crystal assembly
Assignee: Wave Lock Inc
•
Filing: 1964-08-05
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Granted: 1967-09-05
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Expires: 1984-08-05
Abstract
No abstract record available.
Inventors
- 👤 William W Sanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:20
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/05; H03H9/0504; H03H9/0528; B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0648; H03H3/00; H03H3/007; H03H3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PIEZOELECTRIC CRYSTAL ASSEMBLY COMPRISING A PAIR OF ELECTRODES, EACH OF SAID ELECTRODES HAVING OFFSET UPPER AND LOWER GENERALLY PARALLEL PORTIONS CONNECTED BY AN INTERMEDIATE PORTION GENERALLY PERPENDICULAR THERETO, THE UPPER PORTIONS OF SAID ELECTRODES BEING SUBSTANTIALLY PARALLEL WITH EACH OTHER AND SPACED APART A PREDETERMINED DISTANCE, EACH UPPER PORTION HAVING A CHANNEL FACING THE OTHER UPPER PORTION, A HOLDER ATTACHED TO SAID LOWER PORTIONS OF SAID ELECTRODES, SAID HOLDER HAVING A GROOVE FOR RECEIVING SAID INTERMEDIATE PORTIONS AND NON-ROTATABLY MOUNTING SAID ELECTRODES ON SAID HOLDER, A PIEZOELECTRIC
Claim 2
Dependent Claim
88 words
A PIEZOELECTRIC CRYSTAL ASSEMBLY COMPRISING A PAIR OF ELECTRODES, EACH OF SAID ELECTRODES HAVING OFFSET UPPER AND LOWER GENERALLY PARALLEL PORTIONS CONNECTED BY AN INTERMEDIATE PORTION GENERALLY PERPENDICULAR THERETO, THE UPPER PORTIONS OF SAID ELECTRODES BEING SUBSTANTIALLY PARALLEL WITH EACH OTHER AND SPACED APART A PREDETERMINED DISTANCE, EACH UPPER PORTION HAVING A CHANNEL FACING THE OTHER UPPER PORTION, A HOLDER ATTACHED TO SAID LOWER PORTIONS OF SAID ELECTRODES, SAID HOLDER HAVING A GROOVE FOR RECEIVING SAID INTERMEDIATE PORTIONS AND NON-ROTATABLY MOUNTING SAID ELECTRODES ON SAID HOLDER, A PIEZOELECTRIC
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |