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US2866178A
Expired / Lapsed
US
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Binary devices
Assignee: RCA Corp
•
Filing: 1955-03-18
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Granted: 1958-12-23
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Expires: 1975-03-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Lo
- 👤 Walter A Helbig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:07
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/16; G; G11; G11C; G11C19/00; G11C19/02; G11C19/04; H03K23/00; H03K23/76; H03K3/00; H03K3/02; H03K3/45
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2652501A
Cited
GB730165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |