Patent US3552053A successfully refreshed from Google Patents.
US3552053A
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Means for counting shots fired from a gun
Assignee: Electrodynamics Inc
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Filing: 1969-02-24
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Granted: 1971-01-05
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Expires: 1989-02-24
Abstract
Abstract A DEVICE FOR COUNTING SHOTS FIRED BY A GUN CONSISTING OF A FRAME CLAMPED TO THE GUN BARREL INCLUDING A PIEZOELECTRIC CRYSTAL WHICH IS STRESSED BY REASON OF THE TRANSIENT RADIAL EXPANSION OF THE BARREL TO PRODUCE ELECTRICAL OUTPUT PULSES WHICH ARE SENSED BY A THRESHOLD DETECTOR AND COUNTED IN A REGISTER.
Inventors
- 👤 Kenneth W Jarvis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:31
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/01; G; G06; G06M; G06M1/00; G06M1/08; G06M1/10
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 |