US2583021A
Expired / Lapsed
US
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Selection of predetermined interruption pulse for frame synchronization
Assignee: International Standard Electric Corp
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Filing: 1947-08-19
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Granted: 1952-01-22
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Expires: 1967-08-19
Abstract
No abstract record available.
Inventors
- 👤 Smyth Charles Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:01
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/08; H04N5/10; H01; H01J; H01J31/00; H01J31/02; H01J31/06; H03; H03K; H03K9/00; H04J; H04J3/00; H04J3/02; H04J3/06; H04J3/0602; H04J3/0614
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) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |