US2798983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain circuits such as are used for counting, storage, and like purposes in automatic exchange systems
Assignee: Siemens Brothers and Co Ltd
•
Filing: 1956-11-05
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Granted: 1957-07-09
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Expires: 1976-11-05
Abstract
No abstract record available.
Inventors
- 👤 Warman Bloomfield James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:49
CPC Classifications
H; H04; H04Q; H04Q3/00; G; G11; G11C; G11C19/00; G11C19/18; G11C19/182; H03; H03K; H03K23/00; H03K23/82; Y; Y10; Y10S; Y10S84/00; Y10S84/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |