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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
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Abstract

No abstract record available.

Inventors

  • 👤 William W Sanford

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:04
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)

US2392429A Cited
US2471625A Cited
US2699508A Cited
US2784326A Cited
US2857532A Cited
US3176168A Cited

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

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