Patent US2536916A successfully refreshed from Google Patents.
US2536916A
Expired / Lapsed
US
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Electronic counting system
Assignee: International Business Machines Corp
•
Filing: 1945-12-21
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Granted: 1951-01-02
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Expires: 1965-12-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:39
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; H; H03; H03K; H03K23/00; H03K23/82; H04; H04J; H04J3/00; H04J3/02; H04J3/04; H04J3/042
Claims Analysis
Total Claims: 0
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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) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |