Patent US2722631A successfully refreshed from Google Patents.
US2722631A
Expired / Lapsed
US
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Flashtube triggering circuit
Assignee: General Electric Co
•
Filing: 1950-03-15
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Granted: 1955-11-01
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Expires: 1970-03-15
Abstract
No abstract record available.
Inventors
- 👤 Bowtell James Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:12
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2411898A
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US2700120A
Cited
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Cited
GB627193A
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US2509005A
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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) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |