Patent US2965887A successfully refreshed from Google Patents.
US2965887A
Expired / Lapsed
US
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Multiple input diode scanner
Assignee: AT&T Inc
•
Filing: 1955-08-22
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Granted: 1960-12-20
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Expires: 1975-08-22
Abstract
No abstract record available.
Inventors
- 👤 John J Yostpille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:00
CPC Classifications
H; H04; H04Q; H04Q3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA523475A
Cited
US2620395A
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US2476066A
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US2563589A
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FR1012089A
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US2563824A
Cited
GB711053A
Cited
US2718589A
Cited
US2580716A
Cited
US2610243A
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US2674727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |