Patent US6676692B2 successfully refreshed from Google Patents.
US3067291A
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US
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Pulse communication system
Assignee: TDK Micronas GmbH
•
Filing: 1956-11-30
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Granted: 1962-12-04
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Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 Sidney W Lewinter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:46
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/06; H04J3/0602; H04J3/0617; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1638; H03; H03M; H03M1/00; H03M1/12; H03M1/34; H03M1/36; H03M1/38; H03M1/44; H03M1/445
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |