US3471711A
Expired / Lapsed
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Assignee: Siemens AG
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Filing: 1966-12-12
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Granted: 1969-10-07
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Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Werner F Poschenrieder
- 👤 Max Schlichte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:58
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/04; H04J3/047; G; G06; G06G; G06G7/00; G06G7/48; G06G7/62; G06G7/623; G11; G11C; G11C27/00; G11C27/04; H03; H03K; H03K5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |