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US3017463A
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US
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Keyboard apparatus
Assignee: Bendix Corp
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Filing: 1959-04-10
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Granted: 1962-01-16
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Expires: 1979-04-10
Abstract
No abstract record available.
Inventors
- 👤 Stanley H Dinsmore
- 👤 Robert M Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:35
CPC Classifications
B; B41; B41J; B41J5/00; B41J5/08; H; H03; H03K; H03K17/00; H03K17/94; H03K17/965; H03K17/968; H03K17/969
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1283320A
Cited
US2408754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |