Patent US3482048A successfully refreshed from Google Patents.
US3482048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Communication system for transmission of high speed code via low speed channels
Assignee: Fujitsu Ltd
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Filing: 1966-02-25
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Granted: 1969-12-02
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Expires: 1986-02-25
Abstract
No abstract record available.
Inventors
- 👤 Yuji Takada
- 👤 Katsumasa Ogawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:12
CPC Classifications
H; H04; H04L; H04L25/00; H04L25/02; H04L25/14; H04B; H04B1/00; H04B1/66; H04B1/662; H04J; H04J3/00; H04J3/16; H04J3/1605; H04J3/1623; H04J3/1647
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3159720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |