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US2897359A
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Electronic switching means
Assignee: Societe dElectronique et dAutomatisme SA
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Filing: 1954-10-06
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Granted: 1959-07-28
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Expires: 1974-10-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond Francois Henri
- 👤 Lilamand Monique Berthe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:52
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/54; G; G06; G06G; G06G7/00; G06G7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2548913A
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US2731557A
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US2583146A
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US2697201A
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US2535303A
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US2632046A
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US2658180A
Cited
US2700731A
Cited
US2769137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |