Patent US3390683A successfully refreshed from Google Patents.
US3390683A
Expired / Lapsed
US
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Data access means
Assignee: Computer Accessories Corp
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Filing: 1966-10-05
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Granted: 1968-07-02
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Expires: 1986-10-05
Abstract
No abstract record available.
Inventors
- 👤 Charles D Hofmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:29
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/14; Y; Y10; Y10S; Y10S209/00; Y10S209/932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2169050A
Cited
US2524918A
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US2807728A
Cited
US2722676A
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US3335728A
Cited
US3228130A
Cited
US3291133A
Cited
US3334785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |