US3532987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective calling system for a main station and satellites
Assignee: International Standard Electric Corp
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Filing: 1967-06-21
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Granted: 1970-10-06
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Expires: 1987-06-21
Abstract
No abstract record available.
Inventors
- 👤 Jean Emile Turriere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:46
CPC Classifications
H; H04; H04Q; H04Q9/00; B; B64; B64G; B64G3/00; H04B; H04B7/00; H04B7/14; H04B7/15; H04B7/185; H04J; H04J3/00; H04W; H04W68/00
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) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |