US3232404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Keyboard operated printer with electrical means preventing operation of plural keys
Assignee: Navigation Computer Corp
•
Filing: 1964-08-11
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Granted: 1966-02-01
•
Expires: 1984-08-11
Abstract
No abstract record available.
Inventors
- 👤 Jr John Paul Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:24
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/54; B41J29/58; B41J29/70; B41J1/00; B41J1/22; B41J1/32; B41J1/34; B41J9/00; B41J9/26; B41J9/36; G; G06; G06K; G06K15/00; G06K15/02; G06K15/06
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |