Patent US2947971A successfully refreshed from Google Patents.
US2947971A
Expired / Lapsed
US
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Data processing apparatus
Assignee: Laboratory For Electronics Inc
•
Filing: 1955-12-19
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Granted: 1960-08-02
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Expires: 1975-12-19
Abstract
No abstract record available.
Inventors
- 👤 Marvin H Glauberman
- 👤 Robert C Kelner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:47
CPC Classifications
G; G06; G06J; G06J1/00; G06J1/005; G06V; G06V10/00; G06V10/70; G06V10/74; G06V10/75; G06V10/751; H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; H03M1/24; H03M1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2285296A
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US2294679A
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US2616983A
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US2738499A
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US2673337A
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US2784390A
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US2719965A
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US2805408A
Cited
US2828482A
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US2817078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |