US2840306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Di-function multiplexers and multipliers
Assignee: Digital Control Systems Inc
•
Filing: 1952-11-22
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Granted: 1958-06-24
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Expires: 1972-11-22
Abstract
No abstract record available.
Inventors
- 👤 Floyd G Steele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:18
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/60; G05; G05D; G05D3/00; G05D3/12; G05D3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2643820A
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US2590950A
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US2644887A
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US2596199A
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US2672517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |