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Patent US3486119A successfully refreshed from Google Patents.
US3486119A
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Receiving system of a selective calling signal and a succeeding speech signal
Assignee: Individual
•
Filing: 1966-01-11
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Granted: 1969-12-23
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Expires: 1986-01-11
Abstract
No abstract record available.
Inventors
- 👤 Masatoshi Shimada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:06
CPC Classifications
H; H04; H04W; H04W88/00; H04W88/02; H04W88/022; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3138755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |