Patent US5192313A successfully refreshed from Google Patents.
US2766324A
Expired / Lapsed
US
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Switching system
Assignee: Motorola Solutions Inc
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Filing: 1951-12-18
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Granted: 1956-10-09
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Expires: 1971-12-18
Abstract
No abstract record available.
Inventors
- 👤 Peth Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:06
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/54; H04B1/44; H04B1/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1691076A
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US1678672A
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US1970423A
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US2144936A
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US2157234A
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US2306121A
Cited
US2273945A
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US2504008A
Cited
US2501986A
Cited
US2484211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |