Patent US3516074A successfully refreshed from Google Patents.
US3516074A
Expired / Lapsed
US
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Time-divisional accumulation and distribution system for digital information
Assignee: KDDI Corp
•
Filing: 1969-07-10
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Granted: 1970-06-02
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Expires: 1989-07-10
Abstract
No abstract record available.
Inventors
- 👤 Hajime Enomoto
- 👤 Yukio Nakagome
- 👤 Seiichi Inoue
- 👤 Yasuo Koseki
- 👤 Yasuo Fukata
- 👤 Naohiko Hattori
- 👤 Keiichi Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:32
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/16; G06F11/1629; G06F11/1654; G06F11/0703; G06F11/0751; G06F11/0754; G06F11/0757; G06F11/1608; G06F11/1625; G06F11/1641; G06F11/165; H; H04; H04L; H04L12/00; H04L12/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3212061A
Cited
US3245045A
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US3331060A
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US3299411A
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US3350697A
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US3359543A
Cited
US3390379A
Cited
US3417377A
Cited
US3426331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |