US2925958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for counting electrical impulses
Assignee: Digital Kienzle Computersysteme GmbH and Co KG
•
Filing: 1956-10-16
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Granted: 1960-02-23
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Expires: 1976-10-16
Abstract
No abstract record available.
Inventors
- 👤 Polzin Gerwalt
- 👤 Forest Black
- 👤 Kassel Martin
- 👤 Martens Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:50
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2430457A
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US2708722A
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US2808578A
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US2777098A
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US2772370A
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US2760088A
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US2824697A
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US2757297A
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US2760085A
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US2760086A
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US2824698A
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US2790915A
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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) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |