US3392250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Telefonaktiebolaget LM Ericsson AB
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Filing: 1966-04-19
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Granted: 1968-07-09
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Expires: 1986-04-19
Abstract
No abstract record available.
Inventors
- 👤 Ziegler Horst
- 👤 Stauffer Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:35
CPC Classifications
H; H01; H01H; H01H15/00; H01H15/02; H01H15/06; H01H15/10; H01H15/102; H01H15/105; H01H1/00; H01H1/12; H01H1/36; H01H1/44; H01H1/14; H01H1/18; H01H1/40; H01H1/403
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |