Patent US2912576A successfully refreshed from Google Patents.
US2912576A
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Impulse timing chain circuits
Assignee: Siemens and Halske AG
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Filing: 1954-04-21
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Granted: 1959-11-10
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Expires: 1974-04-21
Abstract
No abstract record available.
Inventors
- 👤 Bacher Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:01
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/04; H04J3/047; G; G06; G06F; G06F1/00; G06F1/04; G06F1/10; G07; G07F; G07F17/00; G07F17/06; H03; H03H; H03H11/00; H03H11/02; H03H11/26; H03K; H03K5/00; H03K5/15; H03K5/15013; H03K5/15026; H03K5/1504; Y; Y10; Y10T; Y10T24/00; Y10T24/21; Y10T24/2102; Y10T24/2121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2076335A
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US2210574A
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US2442769A
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US2447082A
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US2600268A
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US2654028A
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US2594336A
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US2721265A
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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) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |