Patent US4843063A successfully refreshed from Google Patents.
US2459106A
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Computing apparatus
Assignee: Interchemical Corp
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Filing: 1946-08-06
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Granted: 1949-01-11
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Expires: 1966-08-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Hardy
- 👤 Edward C Dench
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:39
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/56; H04N1/60; H04N1/6016; H04N1/6022; G; G06; G06G; G06G7/00; G06G7/12; G06G7/16; G06G7/161; G06G7/32; G06G7/34; G06G7/48; G06G7/75; H04N1/603; H04N1/6033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |