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Patent US2900132A successfully refreshed from Google Patents.
US2900132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data retrieval system
Assignee: NCR Voyix Corp
•
Filing: 1956-01-11
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Granted: 1959-08-18
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Expires: 1976-01-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Cecil H Burns
- 👤 Myron J Mendelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:36
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/02; G06F16/00; G06F16/90; G06F16/903; G06F16/90335; G06F16/90344; Y; Y10; Y10S; Y10S707/00; Y10S707/99931; Y10S707/99933
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2575034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |