Patent US2731635A successfully refreshed from Google Patents.
US2731635A
Expired / Lapsed
US
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Priority control apparatus for a communication system
Assignee: Motorola Solutions Inc
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Filing: 1954-08-09
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Granted: 1956-01-17
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Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 Leonard G Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:48
CPC Classifications
H; H04; H04L; H04L12/00; H04L12/28; H04L12/40; H04Q; H04Q5/00; H04Q5/02; H04Q5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |