US3404378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computers
Assignee: Automatic Telephone and Electric Co Ltd
•
Filing: 1965-10-29
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Granted: 1968-10-01
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Expires: 1985-10-29
Abstract
No abstract record available.
Inventors
- 👤 Threadgold Ronald
- 👤 Hartley David
- 👤 Bell Hamish Vernon
- 👤 Lynch George Edward
- 👤 Bines John Christopher
- 👤 Pate Orran Terence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:56
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/22; G06F9/28; G06F15/00; G06F15/76; G06F15/78
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) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |