US2831135A
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Electromagnetic deflection means
Assignee: Visseaux J SA
•
Filing: 1954-06-29
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Granted: 1958-04-15
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Expires: 1974-06-29
Abstract
No abstract record available.
Inventors
- 👤 Hanlet Jacques Marie Noel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:44
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/72; H01J29/76; H01J29/768
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1647474A
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US2167379A
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US2269678A
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US2278478A
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US2400008A
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US2722621A
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US2645735A
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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) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |