US3553588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmitter piezoelectric power supply
Assignee: Lockheed Martin Tactical Systems Inc
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Filing: 1967-09-28
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Granted: 1971-01-05
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Expires: 1987-09-28
Abstract
Abstract A PIEZOELECTRIC POWER SUPPLY FOR GENERATING SHORT DURATION DIRECT CURRENT PULSES INCLUDING A FLEXIBLE PIEZOELECTRIC CERAMIC CARTRIDGE, AND RELEASABLE MEANS FOR MAINTAINING SAID CARTRIDGE IN STRESSED CONDITION, RELEASE OF SAID MEANS PERMITTING SAID CARTRIDGE TO RETURN TO UNSTRESSED CONDITION, THEREBY GENERATING AN ELECTRICAL PULSE.
Inventors
- 👤 William Honig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:27
CPC Classifications
H; H02; H02N; H02N2/00; H02N2/18; H03; H03K; H03K17/00; H03K17/94; H03K17/96; H03K17/964; H03K17/965; H10; H10N; H10N30/00; H10N30/30; H10N30/304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |