US3366947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-linear pcm decoder
Assignee: Fujitsu Ltd
•
Filing: 1964-01-08
•
Granted: 1968-01-30
•
Expires: 1984-01-08
Abstract
No abstract record available.
Inventors
- 👤 Kawashima Masao
- 👤 Hinoshita Shigehiko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:28
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/66; H03M1/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2889409A
Cited
US3175212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |