US2591541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic accumulator
Assignee: NCR Voyix Corp
•
Filing: 1949-01-15
•
Granted: 1952-04-01
•
Expires: 1969-01-15
Abstract
No abstract record available.
Inventors
- 👤 Ernest V Gulden
- 👤 James A Klopf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/74; G06F7/38; G06F7/48; G06F7/491; G06F7/498; G06F7/4981
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2308778A
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US2404918A
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US2356761A
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US2310105A
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US2405096A
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US2404565A
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US2426279A
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GB557172A
Cited
US2428089A
Cited
GB567863A
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US2442428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |