Patent US2496912A successfully refreshed from Google Patents.
US2496912A
Expired / Lapsed
US
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Device for integrating a variable quantity
Assignee: RCA Corp
•
Filing: 1946-05-09
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Granted: 1950-02-07
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Expires: 1966-05-09
Abstract
No abstract record available.
Inventors
- 👤 Igor E Grosdoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:36
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1809683A
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AT144131B
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US2309743A
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US2325927A
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US2341040A
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US2353203A
Cited
US2405597A
Cited
US2438425A
Cited
US2384792A
Cited
US2387496A
Cited
US2430139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |