US2922066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spark compressor and trigger for spark discharge light
Assignee: Motorola Solutions Inc
•
Filing: 1956-11-13
•
Granted: 1960-01-19
•
Expires: 1976-11-13
Abstract
No abstract record available.
Inventors
- 👤 Norman B Stevens
- 👤 John A Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:38
CPC Classifications
H; H01; H01T; H01T2/00; H01T2/02; H01J; H01J61/00; H01J61/70; H01J61/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1993811A
Cited
US2427089A
Cited
GB630677A
Cited
US2472115A
Cited
US2678408A
Cited
US2799804A
Cited
US2803783A
Cited
US2783414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |