Patent US3291130A successfully refreshed from Google Patents.
US3469191A
Expired / Lapsed
US
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Assignee: Motorola Solutions Inc
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Filing: 1966-08-31
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Granted: 1969-09-23
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Expires: 1986-08-31
Abstract
No abstract record available.
Inventors
- 👤 Daniel D Russell Jr
- 👤 Paul H Jacobs
- 👤 Larry R Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:38
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; H03K17/292; H04; H04J; H04J1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2510316A
Cited
US2719284A
Cited
US2766324A
Cited
US3217255A
Cited
US3210665A
Cited
US3292085A
Cited
US3304501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |