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US2907823A
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Assignee: Siemens and Halske AG
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Filing: 1956-01-25
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Granted: 1959-10-06
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Expires: 1976-01-25
Abstract
No abstract record available.
Inventors
- 👤 Wusteney Herbert
- 👤 Hennig Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:19
CPC Classifications
H; H04; H04L; H04L13/00; H04L13/02; H04L13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2273083A
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US2467566A
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US2629827A
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US2661091A
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US2717372A
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US2695396A
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US2679638A
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US2666195A
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US2750580A
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US2771599A
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US2702380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |